CrashWhyGuide
Guides: why your PC crashed, restarted or shut off
One question per guide, answered from what Windows itself records. Every guide links the official Microsoft documentation it relies on.
Blue screensCrash logsEvent ViewerPower and hardwareRestartsUnexpected shutdownsWindows Update
PC randomly restarts with no blue screen: what Kernel-Power Event 41 means
Your PC restarts or shuts off with no blue screen and no error? Kernel-Power Event 41 tells you whether it was a hidden Stop error, the power button or power loss.
Where are crash logs in Windows 11, and how do I read them?
Where Windows 11 keeps crash logs: the System log in Event Viewer (events 41, 6008, 1001, 1074), minidump files in C:\Windows\Minidump and how to read them.
Why did my computer restart overnight?
Find out why your Windows PC restarted overnight: Windows Update, a blue screen or a power loss. Check Event 1074, 1001, 41 and 6008 in Event Viewer.