Apps
ChatGPT Desktop Caches
ChatGPT Desktop on Windows stores several Chromium and Electron runtime caches to speed up the app shell and web content: HTTP disk cache entries in Cache_Data, V8 compiled script data in Code Cache, GPU resource caches in GPUCache, WebGPU and Graphite shader artifacts in DawnWebGPUCache and DawnGraphiteCache, and compression dictionaries in Shared Dictionary/cache. These files are disposable performance data rather than account or chat content, so Kudu removes the stale cache layers while preserving login state, conversations, IndexedDB, local storage, and session data.
Why clean ChatGPT Desktop Caches?
- Corrupted Cache_Data entries can make the app reuse bad copies of web assets, which shows up as missing interface elements, endless spinners, or a window that loads partially until a hard refresh.
- Invalidated V8 bytecode in Code Cache after a ChatGPT Desktop update can slow the next launch or cause odd UI behavior until Chromium recompiles the app's scripts.
- Old GPUCache data tied to a previous graphics driver version can be rejected or misused after a driver update, leading to black panels, flickering, or sluggish scrolling before the cache rebuilds.
- Stale DawnWebGPUCache and DawnGraphiteCache shader blobs can cause rendering glitches in hardware-accelerated views, including blank areas, delayed text painting, or brief stutter when opening the app.
- A bloated Shared Dictionary cache can waste disk space and force the app to keep revalidating compression data, which users notice as slower startup on metered or high-latency connections.
- When Chromium's cache folders accumulate thousands of small files, the app can spend extra time walking and validating them, making launches and window restores feel slower than expected.
- Cleaning these caches can resolve rendering and startup faults without deleting chats or settings, because the removable files are only rebuildable web, code, and shader cache data.
What gets cleaned
Cache paths Kudu targets
Windows
%LocalAppData%/Packages/OpenAI.ChatGPT-Desktop_2p2nqsd0c76g0/LocalCache/Roaming/ChatGPT/Cache/Cache_Data |
%LocalAppData%/Packages/OpenAI.ChatGPT-Desktop_2p2nqsd0c76g0/LocalCache/Roaming/ChatGPT/Code Cache |
%LocalAppData%/Packages/OpenAI.ChatGPT-Desktop_2p2nqsd0c76g0/LocalCache/Roaming/ChatGPT/GPUCache |
%LocalAppData%/Packages/OpenAI.ChatGPT-Desktop_2p2nqsd0c76g0/LocalCache/Roaming/ChatGPT/DawnGraphiteCache |
%LocalAppData%/Packages/OpenAI.ChatGPT-Desktop_2p2nqsd0c76g0/LocalCache/Roaming/ChatGPT/DawnWebGPUCache |
%LocalAppData%/Packages/OpenAI.ChatGPT-Desktop_2p2nqsd0c76g0/LocalCache/Roaming/ChatGPT/Shared Dictionary/cache |
Frequently asked
Common questions about ChatGPT Desktop Caches
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