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

How to Reinstall Windows Defender After Error 404

If you see a 404 error when trying to open Windows Defender, it usually means the app's files are...

Outlook Settings Reset Not Working: Practical Fixes

Fix Windows Search 404 Not Found After Update

After a Windows update, you might click the search bar or a search result and get a blank page or...

Fix Windows Search Version Mismatch After Update

After a Windows update, you might see errors like "Search version mismatch" or the search bar sto...

Fix Windows Defender Real-Time Protection Turning Off Automatically

If Windows Defender's real-time protection keeps turning off automatically, your PC may be vulner...