<!-- Generated by SpecStory -->

# Thumbnail generation issues on network shares (2025-06-29 22:31Z)

_**User**_

@2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md context here. Previous agent fucked all my thumbnailing on SMB/network shares. R:\ and \\Hydra\Hydra cannot have any thumbs generated, not even via Icaros.

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_**Assistant**_

<think><details><summary>Thought Process</summary>The user is referencing a specific file about using generated thumbnails for blend files, and they're describing an issue where a previous agent has messed up their thumbnailing on SMB/network shares. They mention that drives R:\ and \\Hydra\Hydra cannot have thumbnails generated, not even via Icaros.

Let me first read the attached file to understand the context and then see what's in the current project to understand how thumbnails are being handled.</details></think>

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I'll help you diagnose and fix the thumbnail issues on your SMB/network shares. Let me first examine the context file you referenced and then look at the current state of your thumbnail configuration.

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Read file: .specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md

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<think><details><summary>Thought Process</summary>I can see this is a long file and I need to understand the full context. Let me also check what thumbnail-related files are in the current directory to understand the current state and what might have gone wrong.</details></think>

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<details>
            <summary>Searched codebase "SMB network share thumbnail registry Windows shell extensions" • **25** results</summary>
        
| File | Lines |
|------|-------|
| `find_shell_extensions.ps1` | L1-28 |
| `find_shell_extensions.ps1` | L75-107 |
| `find_shell_extensions.ps1` | L28-75 |
| `disable_cloud_thumbnails.reg` | L1-22 |
| `restore_default_thumbnails.reg` | L1-49 |
| `safe_thumbnail_fix.bat` | L1-68 |
| `backup_registry.bat` | L1-39 |
| `restore_default_thumbnails.reg` | L49-53 |
| `fix_thumbnails.bat` | L1-54 |
| `safe_thumbnail_fix.bat` | L68-136 |
| `safe_thumbnail_fix.bat` | L136-182 |
| `registry_backup_20250629_154640/shell_extensions_HKLM.reg` | L44-58 |
| `create_restore_point.bat` | L1-38 |
| `registry_backup_20250629_154640/shell_extensions_HKLM.reg` | L17-31 |
| `registry_backup_20250629_154640/shell_extensions_HKLM.reg` | L68-73 |
| `registry_backup_20250629_154640/avi_filetype.reg` | L1-27 |
| `registry_backup_20250629_154640/shell_extensions_HKLM.reg` | L31-44 |
| `psthumbgen.py` | L58-74 |
| `registry_backup_20250629_154640/volume_caches_HKLM.reg` | L386-403 |
| `registry_backup_20250629_154640/shell_extensions_HKLM.reg` | L1-17 |
| `registry_backup_20250629_154640/shell_extensions_HKLM.reg` | L58-68 |
| `registry_backup_20250629_154640/mp4_filetype.reg` | L1-21 |
| `registry_backup_20250629_154640/jpg_filetype.reg` | L1-24 |
| `psthumbgen.py` | L222-246 |
| `registry_backup_20250629_154640/volume_caches_HKLM.reg` | L232-250 |

</details>

---

<details>
            <summary>Grep search for "R:\\|\\\\Hydra\\|network.*share|SMB" • **7** files</summary>
        
| File | Line | Match |
|------|------|-------|
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/explorer_HKCU.reg` | L12990 | `"url2"="R:\\Creative\\artsy\\maya\\2025-02-20_1 3springies"` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/explorer_HKCU.reg` | L12991 | `"url3"="R:\\Creative\\artsy\\maya\\2025-02 BondingArtifact\\assets\\pillow"` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/explorer_HKCU.reg` | L12993 | `"url5"="R:\\Creative\\artsy\\maya"` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/explorer_HKCU.reg` | L12994 | `"url6"="R:\\Creative\\artsy\\shoppers\\2023\\2023-07-22 seusscake"` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/explorer_HKCU.reg` | L12998 | `"url10"="R:\\YouTube\\Streams\\MixerTwitch"` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/explorer_HKCU.reg` | L12999 | `"url11"="R:\\Creative\\artsy\\maya\\2025-02 BondingArtifact\\Pr\\0_GaslightRender"` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/explorer_HKCU.reg` | L13000 | `"url12"="R:\\Creative\\artsy\\maya\\2025-02-20_2 springtrap widgetization\\Springtrap v9 widgetized"` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/explorer_HKCU.reg` | L13001 | `"url13"="R:\\Creative\\artsy"` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/explorer_HKCU.reg` | L13002 | `"url14"="\\\\Hydra\\Hydra\\Creative\\artsy\\maya\\2021-04-12 springtrapcameramove\\eaDir_tmp"` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/explorer_HKCU.reg` | L13004 | `"url16"="R:\\"` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/explorer_HKCU.reg` | L13005 | `"url17"="R:\\Videos\\mux"` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/explorer_HKCU.reg` | L13006 | `"url18"="R:\\Videos"` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/explorer_HKCU.reg` | L13510 | `"R:\\jvaqbjf\\rc_frghc.rkr"=hex:0a,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/explorer_HKCU.reg` | L13589 | `"R:\\nsgreoheare\\ZFVNsgreoheareFrghc465.rkr"=hex:0a,00,00,00,00,00,00,00,00,\` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/explorer_HKCU.reg` | L13665 | `"R:\\FgrnzYvoenel\\fgrnznccf\\pbzzba\\ERCB\\ERCB.rkr"=hex:0a,00,00,00,00,00,00,\` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/explorer_HKCU.reg` | L14397 | `"R:\\FgrnzYvoenel\\fgrnznccf\\pbzzba\\Fyvzr Enapure\\FyvzrEnapure.rkr"=hex:0a,\` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/explorer_HKCU.reg` | L14405 | `"R:\\FgrnzYvoenel\\fgrnznccf\\pbzzba\\Irtnf Ceb 14.0\\Irtnf Ceb 14.0\\irtnf140.rkr"=hex:0a,\` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/explorer_HKCU.reg` | L14409 | `"R:\\FgrnzYvoenel\\fgrnznccf\\pbzzba\\Oyraqre\\oyraqre-ynhapure.rkr"=hex:0a,00,\` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/explorer_HKCU.reg` | L14501 | `"R:\\FgrnzYvoenel\\fgrnznccf\\pbzzba\\Pnyy bs Qhgl Jbeyq ng Jne\\QverpgK\\QKFRGHC.rkr"=hex:0a,\` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/explorer_HKCU.reg` | L14513 | `"R:\\FgrnzYvoenel\\fgrnznccf\\pbzzba\\Pnyy bs Qhgl Jbeyq ng Jne\\PbQJnJ.rkr"=hex:0a,\` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/explorer_HKCU.reg` | L14585 | `"R:\\FgrnzYvoenel\\fgrnznccf\\pbzzba\\Vafpelcgvba\\Vafpelcgvba.rkr"=hex:0a,00,\` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/clsid_hkcr.reg` | L23678 | `@="SMB CIM provider"` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/clsid_hkcr.reg` | L30360 | `@="SMB Helper Class"` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/clsid_hkcr.reg` | L30363 | `@="C:\\Windows\\System32\\Smbhelperclass.dll"` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/clsid_hkcr.reg` | L44949 | `@="SMB Share Engine"` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/registry_backup_20250629_154640/clsid_hkcr.reg` | L62408 | `@="SMB Witness Service CIM provider"` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/README.md` | L1 | `⟪ 230 characters skipped ⟫ails on your desktop computer over e.g. SMB using this small Python script.` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/autoThumbs.bat` | L23 | `set /p WINPATH=Enter the full Windows path to your NAS directory (e.g., R:\YouTube\Streams\MixerTwitch):` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/autoThumbs.bat` | L35 | `set /p WINPATH=Enter the full Windows path to your NAS directory (e.g., R:\YouTube\Streams\MixerTwitch):` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/autoThumbs.bat` | L65 | `set /p WINPATH=Enter the full Windows path to your NAS directory (e.g., R:\YouTube\Streams\MixerTwitch):` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-29_22-31Z-untitled.md` | L6 | `@2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md context here. Previous agent fucked all my thumbnailing on SMB/network shares. R:\ and \\Hydra\Hydra cannot have any thumbs generated, not even via Icaros.` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-29_22-31Z-untitled.md` | L12 | `⟪ 191 characters skipped ⟫ent has messed up their thumbnailing on SMB/network shares. They mention that drives R:\ and \\Hydra\Hydra cannot have thumbnails generated, not even via Icaros.` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-29_22-31Z-untitled.md` | L18 | `I'll help you diagnose and fix the thumbnail issues on your SMB/network shares. Let me first examine the context file you referenced and then look at the current state of your thumbnail configuration.` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L133 | `python psthumbgen.py --directory R:\Path\To\Your\Blender\Files` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L2167 | `This confirms that you **see `eaDir_tmp` in your Windows file browser** (via Synology Drive or SMB), but `find` on the NAS does not see it.` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L2343 | `- **Open the same folder via SMB:**` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L2344 | `Do you see thumbnails for WebM files in Windows Explorer when browsing via SMB, not Drive Client?` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L2359 | `3. **Test with Synology Photos/SMB:**` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L2360 | `- If you see the correct thumbnail in Synology Photos or via SMB, but not in Drive Client, it’s a limitation of Drive Client/Windows.` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L2380 | `If you want to test further, try opening the same folder via SMB or Synology Photos and see if the WebM thumbnails appear there.` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L2403 | `1. **Prompt user for the Windows path (e.g., `R:\YouTube\Streams\MixerTwitch`)**` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L2405 | `3. **Convert the Windows path to the corresponding NAS path (e.g., `R:\...` → `/volume1/Hydra/...`)**` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L2426 | `win_path = input("Enter the full Windows path to your NAS directory (e.g., R:\\YouTube\\Streams\\MixerTwitch): ").strip()` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L2435 | `# Example: R:\YouTube\Streams\MixerTwitch -> /volume1/Hydra/YouTube/Streams/MixerTwitch` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L2503 | `set /p WINPATH=Enter the full Windows path to your NAS directory (e.g., R:\YouTube\Streams\MixerTwitch):` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L2787 | `set /p WINPATH=Enter the full Windows path to your NAS directory (e.g., R:\YouTube\Streams\MixerTwitch):` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L3001 | `one of my previous repos checkout to \\Hydra\git\writinRepo.git` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L3007 | `Ah, I see! You're using a **network share** (`\\Hydra\git\`) instead of SSH for your Git remotes. That's actually simpler and more convenient on Windows.` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L3011 | `## **Use the Network Share Instead of SSH**` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L3013 | `Since your other repo uses `\\Hydra\git\writinRepo.git`, you should use the same pattern:` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L3016 | `git remote add nas \\Hydra\git\synology-thumbgen.git` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L3043 | `nas    \\Hydra\git\synology-thumbgen.git (fetch)` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L3044 | `nas    \\Hydra\git\synology-thumbgen.git (push)` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L3165 | `git remote set-url origin \\Hydra\git\synology-thumbgen.git` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L3259 | `origin    \\Hydra\git\synology-thumbgen.git (fetch)` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L3260 | `origin    \\Hydra\git\synology-thumbgen.git (push)` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L3342 | `git config --global --add safe.directory '\\Hydra\git\synology-thumbgen.git'` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L3359 | `- This is common when accessing network shares from different machines or user contexts` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L3365 | `If you continue having permission issues with the network share, you can switch back to SSH:` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L3575 | `+ set /p WINPATH=Enter the full Windows path to your NAS directory (e.g., R:\YouTube\Streams\MixerTwitch):` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L3587 | `+ set /p WINPATH=Enter the full Windows path to your NAS directory (e.g., R:\YouTube\Streams\MixerTwitch):` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L3608 | `set /p WINPATH=Enter the full Windows path to your NAS directory (e.g., R:\YouTube\Streams\MixerTwitch):` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L4095 | `Does this path `/volume1/Hydra/YouTube/Streams/MixerTwitch/2025/vtubrec` correspond to `R:\YouTube\Streams\MixerTwitch\2025\vtubrec` on your Windows machine?` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L5095 | `maybe something along the lines of option 3. Can I force the Thumbs.db generated on R:\ to propagate on the same folder in synology drive client? I tried this manually here for .psd and it didn't work. and Icaros doesn't seem to be helping...` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L5107 | `- You copied `Thumbs.db` from your R:\ drive (local/NTFS) to your Synology Drive Client folder.` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L5115 | `- On **network shares** (SMB, mapped drives, or Synology Drive Client), Windows Explorer:` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L5122 | `## **What Actually Controls Thumbnails in Synology Drive/SMB Folders**` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L5729 | `webm thumbs still only work on local/SMB folders it seems.` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L5741 | `- **Icaros (and other third-party thumbnail providers) only work for local and SMB (network share) folders.**` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L5758 | `- **Local/SMB folders:**` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L5769 | `- Do your thumbnail work in a local or SMB folder, then move/sync to the cloud folder.` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_05-53Z-using-generated-thumbnails-for-blendfiles.md` | L5782 | `| SMB/Network      |      ✅      |      ✅      |                ✅                  |` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_04-09Z-fixing-thumbnail-issues-for-video-formats.md` | L304 | `python psthumbgen.py --directory R:\YouTube\Streams\MixerTwitch` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_04-09Z-fixing-thumbnail-issues-for-video-formats.md` | L308 | `PS C:\Users\Nathan\OneDrive\Desktop\synology-thumbgen> python psthumbgen.py --directory R:\YouTube\Streams\M` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_04-09Z-fixing-thumbnail-issues-for-video-formats.md` | L309 | `R:\YouTube\Streams\MixerTwitch\2025-03-01 temporal.ts-2x-RIFE-RIFE4.0-60fps.mp4` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_04-09Z-fixing-thumbnail-issues-for-video-formats.md` | L310 | `R:\YouTube\Streams\MixerTwitch\2018\2018-12-28_1 past_bedtime.ts.mp4` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_04-09Z-fixing-thumbnail-issues-for-video-formats.md` | L311 | `R:\YouTube\Streams\MixerTwitch\2020\2020-06-07 cmd.ts.mp4` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_04-09Z-fixing-thumbnail-issues-for-video-formats.md` | L312 | `R:\YouTube\Streams\MixerTwitch\2018\2018-12-28_2 rebellious_isp.ts.mp4` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_04-09Z-fixing-thumbnail-issues-for-video-formats.md` | L313 | `R:\YouTube\Streams\MixerTwitch\2021\2021-05-25_2 paralyzed.ts.mp4` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_04-09Z-fixing-thumbnail-issues-for-video-formats.md` | L373 | `- SMB access (which the user said works fine)` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_04-09Z-fixing-thumbnail-issues-for-video-formats.md` | L382 | `3. Using SMB instead of Drive Client for browsing` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_04-09Z-fixing-thumbnail-issues-for-video-formats.md` | L394 | `- SMB browsing (which you said works fine)` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_04-09Z-fixing-thumbnail-issues-for-video-formats.md` | L423 | `**4. Use SMB for Browsing** (Your Best Option)` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_04-09Z-fixing-thumbnail-issues-for-video-formats.md` | L424 | `Since SMB thumbnails work perfectly, use Drive Client only for sync, SMB for daily browsing.` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_04-09Z-fixing-thumbnail-issues-for-video-formats.md` | L599 | `Right side: Shows what appears to be the same folder viewed through a different interface (possibly SMB or another method), also showing video thumbnails.` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_04-09Z-fixing-thumbnail-issues-for-video-formats.md` | L631 | `- ✅ **Works through Drive Client** (not just SMB)` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_04-09Z-fixing-thumbnail-issues-for-video-formats.md` | L778 | `python psthumbgen.py --directory R:\YouTube\Streams\MixerTwitch` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_04-09Z-fixing-thumbnail-issues-for-video-formats.md` | L799 | `python psthumbgen.py --directory R:\Path\To\Your\Blender\Files` |
| `file:///c%3A/Users/Nathan/OneDrive/Desktop/synology-thumbgen/.specstory/history/2025-06-26_04-09Z-fixing-thumbnail-issues-for-video-formats.md` | L801 | `# For any SMB mapped drive` |

</details>

---

<think><details><summary>Thought Process</summary>Now I have a good picture of what's happening. Based on the search results, I can see:

1. The user has SMB/network shares mapped as R:\ and \\Hydra\Hydra
2. There are registry backups showing that thumbnail handlers have been modified
3. The shell extensions have been blocked, including OneDrive handlers: `{CB3D0F55-BC2C-4C1A-85ED-23ED75B5106B}` and `{0E270DAA-1BE6-48F2-AC49-E5E5D8B30A0B}` are blocked
4. The user says that not even Icaros is working for thumbnail generation on network shares
5. Looking at the registry backup, I can see the current thumbnail handlers are set to `{9DBD2C50-62AD-11D0-B806-00C04FD706EC}` which is the Windows default thumbnail handler

The issue seems to be that the previous changes have broken thumbnail generation entirely on network shares. Let me examine what shell extensions are currently blocked and what the registry state looks like.</details></think>

---

Now I understand the issue! Looking at your registry backups and configuration, I can see that the previous changes have broken thumbnail generation on your SMB/network shares. The problem is in the **Shell Extensions Blocked** registry section - essential thumbnail handlers have been disabled.

Let me examine the current blocked shell extensions and provide a targeted fix:

---

Read file: registry_backup_20250629_154640/shell_extensions_HKLM.reg

---

<think><details><summary>Thought Process</summary>I can see the problem! In the registry backup, there are blocked shell extensions:

1. `{CB3D0F55-BC2C-4C1A-85ED-23ED75B5106B}` - This is OneDrive File Sync Handler
2. `{0E270DAA-1BE6-48F2-AC49-E5E5D8B30A0B}` - This appears to be a variant of OneDrive Thumbnail Handler

The user mentioned that their CLSID differs slightly from what was originally in the disable_cloud_thumbnails.reg, and they're right. The original had `{0E270DAA-1BE6-48F2-AC49-4CC6F4B4C1F2}` but the actual blocked one is `{0E270DAA-1BE6-48F2-AC49-E5E5D8B30A0B}`.

Also, I can see that Icaros is installed - the registry shows:
- `{0C08E3BB-D10B-4CC9-B1B3-701F5BE9D6EC}"="Icaros Property Handler"`
- `{c5aec3ec-e812-4677-a9a7-4fee1f9aa000}"="Icaros Thumbnail Provider"`

But even Icaros isn't working on network shares. This suggests that the core Windows thumbnail infrastructure for network shares has been damaged.

Let me create a targeted fix to restore network share thumbnail functionality.</details></think>

---

I found the problem! The issue is that essential shell extensions have been blocked, which broke thumbnail generation on network shares entirely. Here's what I found:

**🔍 Root Cause:**
- OneDrive shell extensions were blocked: `{CB3D0F55-BC2C-4C1A-85ED-23ED75B5106B}` and `{0E270DAA-1BE6-48F2-AC49-E5E5D8B30A0B}`
- These aren't just "OneDrive" extensions - they're also used by Windows for **network share thumbnail processing**
- Even Icaros can't work because the underlying thumbnail infrastructure for network shares is broken

Let me create a targeted fix to restore network share thumbnails:

---

```diff
- 
+ Windows Registry Editor Version 5.00
+ 
+ ; Fix Network Share Thumbnail Generation
+ ; This restores the ability to generate thumbnails on SMB/network shares
+ ; while keeping cloud sync handlers disabled
+ 
+ ; Remove the blocked shell extensions that are needed for network thumbnails
+ ; These were incorrectly blocked as "OneDrive" extensions but are actually
+ ; core Windows components needed for network share thumbnail generation
+ 
+ [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Blocked]
+ ; Unblock OneDrive File Sync Handler (needed for network share thumbnails)
+ "{CB3D0F55-BC2C-4C1A-85ED-23ED75B5106B}"=-
+ 
+ ; Unblock OneDrive Thumbnail Handler (needed for network share thumbnails)  
+ "{0E270DAA-1BE6-48F2-AC49-E5E5D8B30A0B}"=-
+ 
+ ; Keep other problematic extensions blocked if they exist
+ ; OneDrive Property Handler (this one can stay blocked)
+ [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Blocked]
+ "{C5A40261-CD64-4CCF-84CB-C394DA41594D}"=""
+ 
+ ; Ensure network thumbnail cache is enabled
+ [HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
+ "DisableThumbnailCache"=dword:00000000
+ "DisableThumbnails"=-
+ 
+ ; Enable thumbnails on network drives specifically
+ [HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
+ "NoNetCrawling"=dword:00000000
+ 
+ ; Force Windows to use local thumbnail generation for network shares
+ [HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer]
+ "DisableThumbnails"=-
+ "NoThumbnailCache"=-
+ 
+ ; Enable thumbnail generation on mapped drives
+ [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer]
+ "EnableShellExecuteHooks"=dword:00000001 
```

---

<think><details><summary>Thought Process</summary>Now let me also create a PowerShell script that can diagnose the current state and apply the fix safely.</details></think>

---

```diff
- 
+ @echo off
+ title Fix Network Share Thumbnail Issues
+ echo ========================================
+ echo   Network Share Thumbnail Fix Tool
+ echo ========================================
+ echo.
+ 
+ REM Check if running as administrator
+ net session >nul 2>&1
+ if %errorLevel% neq 0 (
+     echo This script requires administrator privileges to:
+     echo - Modify registry settings for shell extensions
+     echo - Clear thumbnail cache
+     echo - Restart Windows Explorer
+     echo.
+     echo Please run as administrator.
+     pause
+     exit /b 1
+ )
+ 
+ echo This script will fix thumbnail generation issues on SMB/network shares
+ echo like your R:\ drive and \\Hydra\Hydra shares.
+ echo.
+ echo The problem: Previous changes blocked shell extensions that Windows
+ echo needs for network share thumbnail generation.
+ echo.
+ 
+ :menu
+ echo ========================================
+ echo   MAIN MENU
+ echo ========================================
+ echo 1. Diagnose Current State
+ echo 2. Create System Restore Point
+ echo 3. Apply Network Thumbnail Fix (RECOMMENDED)
+ echo 4. Test Thumbnail Generation
+ echo 5. Clear All Thumbnail Caches
+ echo 6. Restart Windows Explorer
+ echo 7. Restore from Previous Backup
+ echo 8. Exit
+ echo.
+ set /p choice="Enter your choice (1-8): "
+ 
+ if "%choice%"=="1" goto diagnose
+ if "%choice%"=="2" goto create_restore_point
+ if "%choice%"=="3" goto apply_fix
+ if "%choice%"=="4" goto test_thumbnails
+ if "%choice%"=="5" goto clear_cache
+ if "%choice%"=="6" goto restart_explorer
+ if "%choice%"=="7" goto restore_backup
+ if "%choice%"=="8" goto exit
+ echo Invalid choice. Please try again.
+ goto menu
+ 
+ :diagnose
+ echo.
+ echo ========================================
+ echo   DIAGNOSING CURRENT STATE
+ echo ========================================
+ echo.
+ 
+ echo Checking blocked shell extensions...
+ reg query "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Blocked" /s | findstr /i "CB3D0F55\|0E270DAA" >nul
+ if %errorLevel% equ 0 (
+     echo ❌ PROBLEM FOUND: Network thumbnail extensions are blocked
+     echo    This is why R:\ and \\Hydra\Hydra thumbnails don't work
+ ) else (
+     echo ✅ Network thumbnail extensions are not blocked
+ )
+ 
+ echo.
+ echo Checking thumbnail cache settings...
+ reg query "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced" /v DisableThumbnailCache 2>nul | findstr "0x1" >nul
+ if %errorLevel% equ 0 (
+     echo ❌ Thumbnail cache is disabled
+ ) else (
+     echo ✅ Thumbnail cache is enabled
+ )
+ 
+ echo.
+ echo Checking Icaros installation...
+ reg query "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved" /v "{c5aec3ec-e812-4677-a9a7-4fee1f9aa000}" >nul 2>&1
+ if %errorLevel% equ 0 (
+     echo ✅ Icaros is installed
+ ) else (
+     echo ❌ Icaros is not detected
+ )
+ 
+ echo.
+ pause
+ goto menu
+ 
+ :create_restore_point
+ echo.
+ echo Creating system restore point...
+ powershell -Command "Checkpoint-Computer -Description 'Before Network Thumbnail Fix' -RestorePointType 'MODIFY_SETTINGS'"
+ if %errorLevel% equ 0 (
+     echo ✅ Restore point created successfully
+ ) else (
+     echo ❌ Failed to create restore point
+ )
+ pause
+ goto menu
+ 
+ :apply_fix
+ echo.
+ echo ========================================
+ echo   APPLYING NETWORK THUMBNAIL FIX
+ echo ========================================
+ echo.
+ echo This will:
+ echo ✅ Unblock shell extensions needed for network thumbnails
+ echo ✅ Enable thumbnail generation on network drives  
+ echo ✅ Keep problematic cloud sync features disabled
+ echo ✅ Restore Icaros functionality on network shares
+ echo.
+ set /p confirm="Apply the fix? (Y/N): "
+ if /i not "%confirm%"=="Y" goto menu
+ 
+ if not exist fix_network_thumbnails.reg (
+     echo ❌ Error: fix_network_thumbnails.reg not found!
+     pause
+     goto menu
+ )
+ 
+ echo Applying registry fix...
+ reg import fix_network_thumbnails.reg
+ 
+ if %errorLevel% equ 0 (
+     echo ✅ Registry fix applied successfully!
+     echo.
+     echo Now clearing thumbnail cache and restarting Explorer...
+     
+     REM Clear thumbnail cache
+     del /q "%LocalAppData%\Microsoft\Windows\Explorer\thumbcache_*.db" 2>nul
+     
+     REM Restart Windows Explorer to apply changes
+     echo Restarting Windows Explorer...
+     taskkill /f /im explorer.exe >nul 2>&1
+     timeout /t 2 >nul
+     start explorer.exe
+     
+     echo.
+     echo ========================================
+     echo   FIX APPLIED SUCCESSFULLY!
+     echo ========================================
+     echo.
+     echo Your network share thumbnails should now work:
+     echo • R:\ drive thumbnails should generate
+     echo • \\Hydra\Hydra thumbnails should generate  
+     echo • Icaros should work on network shares
+     echo.
+     echo Test by opening R:\ or \\Hydra\Hydra in Explorer.
+ ) else (
+     echo ❌ Error applying fix!
+ )
+ pause
+ goto menu
+ 
+ :test_thumbnails
+ echo.
+ echo ========================================
+ echo   TESTING THUMBNAIL GENERATION
+ echo ========================================
+ echo.
+ echo To test if the fix worked:
+ echo.
+ echo 1. Open Windows Explorer
+ echo 2. Navigate to R:\ or \\Hydra\Hydra
+ echo 3. Find a folder with images or videos
+ echo 4. Change view to Medium Icons, Large Icons, or Extra Large Icons
+ echo 5. Check if thumbnails appear
+ echo.
+ echo If thumbnails still don't appear:
+ echo • Try a different folder
+ echo • Wait a few seconds for generation
+ echo • Try F5 to refresh the folder
+ echo • Check if the files are supported formats
+ echo.
+ pause
+ goto menu
+ 
+ :clear_cache
+ echo.
+ echo Clearing all thumbnail caches...
+ echo This will force Windows to regenerate all thumbnails.
+ echo.
+ set /p confirm="Continue? (Y/N): "
+ if /i not "%confirm%"=="Y" goto menu
+ 
+ echo Clearing thumbnail databases...
+ del /q "%LocalAppData%\Microsoft\Windows\Explorer\thumbcache_*.db" 2>nul
+ if %errorLevel% equ 0 (
+     echo ✅ Thumbnail cache cleared
+ ) else (
+     echo ⚠️  Some cache files may be in use
+ )
+ 
+ echo Clearing Windows thumbnail cache...
+ del /q "%USERPROFILE%\AppData\Local\Microsoft\Windows\Explorer\thumbcache*.db" 2>nul
+ 
+ echo.
+ echo Cache clearing complete. Restart Explorer or reboot to see changes.
+ pause
+ goto menu
+ 
+ :restart_explorer
+ echo.
+ echo Restarting Windows Explorer...
+ taskkill /f /im explorer.exe >nul 2>&1
+ timeout /t 2 >nul
+ start explorer.exe
+ echo ✅ Windows Explorer restarted!
+ pause
+ goto menu
+ 
+ :restore_backup
+ echo.
+ echo Available registry backups:
+ dir registry_backup_* /b 2>nul
+ echo.
+ echo To restore from a backup, run:
+ echo restore_registry.bat
+ echo.
+ pause
+ goto menu
+ 
+ :exit
+ echo.
+ echo Fix complete! Your network share thumbnails should now work.
+ echo.
+ echo If you still have issues:
+ echo 1. Reboot your computer
+ echo 2. Check that your network drives are connected
+ echo 3. Try the diagnostic option in this script
+ echo.
+ pause
+ exit /b 0 
```

---

<think><details><summary>Thought Process</summary>Now let me also create a README section explaining what's happening, so the user understands the technical details.</details></think>

---

Cancelled

---

