Hey, this is a known bug. The browser tab crashes when you drag it out into a separate window. There are a lot of reports about it, the main thread is here: Bug: Browser tab unresponsive after moving to new window (v2.4.22)
Your issue got worse because Cursor tries to restore the previous state on startup, including the second window, and then crashes again. A normal uninstall on Windows doesn’t remove the app data in AppData, so the state stays.
To get out of the crash loop:
- Close Cursor completely, and double-check in Task Manager
- Delete the window state folder, make a backup first:
%APPDATA%\Cursor\User\workspaceStorage
Or if you want to reset everything, delete%APPDATA%\Cursor - Start Cursor again, it should open with a clean state
After that, don’t drag the browser tab into a separate window. For now, that’s the only workaround. For n8n, you can open it in a regular browser in parallel.
Let me know if it helped.