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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"No Config Debugging errors when multiple vscode windows are open","articleBody":"If I use the [no config debugging feature](https://github.com/microsoft/vscode-python-debugger/wiki/No%E2%80%90Config-Debugging) with multiple vscode windows open, all of them try to start debugging. Whichever is first suceeds and the rest throw a `Server[pid=xxxx] is already being debugged error`.\n\nThe cause for this is that the extension watches the `.noConfigDebugAdapterEndpoints` dir and starts debugging if any file appears in it not just if the specified file (`VSCODE_DEBUGPY_ADAPTER_ENDPOINTS`) is created. Each window has a separate endpoint file in the `.noConfigDebugAdapterEndpoints` dir, but due to watching for any file, every window will start debugging.\n\nhttps://github.com/microsoft/vscode-python-debugger/blob/d7b96430e7dda95cc3d6565364e3639a2b9501c3/src/extension/noConfigDebugInit.ts#L95-L97","author":{"url":"https://github.com/Zentrik","@type":"Person","name":"Zentrik"},"datePublished":"2026-01-06T13:47:33.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/916/vscode-python-debugger/issues/916"}