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

Fix Microsoft Teams 502 Bad Gateway Due to Network Config

You open Microsoft Teams and see a 502 Bad Gateway error. This usually means you...

Fix Missing Windows Security App Icon or Shortcut

You click the Start menu or search for Windows Security, but the app icon is gone. The shortcut m...

How to Fix Windows Defender Connection Refused Error

If you see a 'connection refused' message when opening Windows Defender or updating virus definit...

How to Restore Chrome Profile After a Crash

Symptoms of a Corrupted Chrome Profile

After a browser crash, you might see errors like '...

Fix Windows Search Not Working After Sleep Mode

You wake your PC from sleep, type in the Start menu search bar, and nothing happens—or results ar...