If continues to hang on Windows 11, apply these deeper fixes: Why it Works Graphics Disable Hardware Acceleration
: Sometimes clearing all pending notifications in the Windows 11 notification center (Win + N) resolves an immediate hang. 4. Advanced System Fixes slack freezing windows 11
: In Slack, go to Preferences > Notifications . Scroll to "Deliver notifications via..." and select Slack's built-in notifications instead of "Windows Action Center". If continues to hang on Windows 11, apply
Bypasses the , which is a known cause of hangs during message alerts. GPU Switching slack freezing windows 11