"Window Is Not Responding" Dialog Steals Keyboard Focus and Shuts Down the Window on a Keystroke, Destroying Unsaved State

Does this issue occur when all extensions are disabled?: N/A

- VS Code Version: 1.135.0
- OS Version: win32 10.0.22631 x64

Steps to Reproduce:

1. Open VS Code and open any editor with unsaved changes.
2. Open Help, then Toggle Developer Tools, then the Console tab.
3. Block the renderer for about 20 seconds by running this in the console:

const t = Date.now(); while (Date.now() - t < 20000) {}

4. Immediately click back into the editor and keep typing normally, including
pressing Enter at the end of a line.
5. Wait for "The window is not responding" to appear.

[VSCODE_WINDOW_CRASH_ORPHANED_SERVER_STACK_BUG_2026-08-29.md](https://github.com/user-attachments/files/31602056/VSCODE_WINDOW_CRASH_ORPHANED_SERVER_STACK_BUG_2026-08-29.md)