Knowledge base for software setup, errors, and daily tool work.

How to Fix Windows Security 404 Error When Opening

When you open Windows Security and see a 404 error page, it usually means the app can't find its ...

Windows Defender Offline Scan Not Working: Practical Fixes

You run a Windows Defender offline scan to remove stubborn malware, but the scan either fails to ...

How to Fix Windows Login Loop by Adjusting Security Settings

If you're stuck in a Windows login loop—where you enter your password, the screen goes black or l...

Fix a Corrupted Windows Terminal Configuration File

Windows Terminal stores its settings in a JSON file. If that file gets corrupted—often after a cr...

Fix Chrome 504 Gateway Timeout When Using a VPN