Windows Error Codes by Category

Start with the error family, then match the exact code and the screen where it appeared.

Protect your files first

Back up important files when possible. If the drive is encrypted, locate the BitLocker recovery key before recovery changes. Stop if storage appears to be failing or this is a work or school managed PC.

Browse by Windows error family

Blue screen and stop codes Windows Update errors Boot and recovery codes Device Manager codes Windows Event IDs Windows installation errors Windows activation errors App and Microsoft Store errors Win32 error codes NTSTATUS error codes

How to read a result

First confirm the screen or feature where the number appeared. A blue-screen bug check, Windows Update HRESULT, Device Manager problem code, and Event Viewer event are separate systems. A code lookup gives you a starting point, not a confirmed hardware diagnosis.

Keep track of your checks

This checklist stays in this browser session. It is not sent to WinErrors.

I recorded the exact error and Windows build I checked backup and BitLocker recovery-key access I noted what happened after one safe step