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Windows 10 lag on alt + tab and start menu
I have this issue on Windows 10 on 2 different PCs, one with a recent windows fresh install. After a while the alt + tab, start menu, even the media keys response gets really slow to respond, it...
I have the same problem. I've noticed that during days where I use OBS and it's virtual camera for meetings the problem is critically more severe. Closing down OBS does not restore responsive start menu.
Only thing that works is to restart Windows Explorer but that works only temporally and the problem slowly returns. Only solution is full reboot. I have tried to fix and debug this for a year now trying out 50 different things and deep diving into system logs, processes and drivers. No clear solution has been found yet.