Task Manager has severe interface lag, shows grey placeholder icons, and sometimes refuses to open across every user profile. I already performed a Windows 11 in-place repair upgrade, re-registered AppX packages, cleared local AppData caches, tested with a new administrator account, ran a clean boot, rebuilt performance counters, and used DISM to repair the system image. Despite all of that, Task Manager still freezes or fails to launch. This seems like a system-wide Desktop Window Manager rendering problem or a related service failure. What else should I check?
1 Answer
DISM with the RestoreHealth option is a reasonable step for corrupted Windows components, but it sounds like that has already been tried without changing anything. Since the issue affects every profile and survived a repair upgrade and clean boot, the next investigation should focus on system-wide graphics components, especially the display driver, Desktop Window Manager, and related event logs. Check Reliability Monitor and Event Viewer for crashes involving Taskmgr.exe, dwm.exe, or graphics drivers, then perform a clean reinstall or rollback of the display driver rather than only updating it.
Related Questions
Can't Load PhpMyadmin On After Server Update
Redirect www to non-www in Apache Conf
How To Check If Your SSL Cert Is SHA 1
Windows TrackPad Gestures