in services I don't have the needed "Desktop Window Manager”
perhaps this is Windows 7 thing?

113807

if it powers on for a sec, it never gets to Windows, what PC is it?

Hello guys, I am having very random freezes of my system (it could be after 2 hrs, or a week) and would like to try that first if possible.
Disabling dwm.exe means running Windows in its classic...

Hi guys, I am having the same issue. The PC isn't freezing but becomes unresponsive, then, 5 - 10 min into it the message comes up "This application is not responding. The program may respond again...