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

Fix Windows Defender Not Opening Error 404

You try to open Windows Defender and get an error 404 – the page or resource can't be found. This...

Fix Windows Security Real-Time Protection Not Working

If you see a yellow warning in Windows Security that says "Real-time protection is off" or it tur...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix Outlook Not Responding and Keeps Crashing

Outlook freezing or crashing repeatedly can stop your work. This guide covers common causes and s...

Fix Windows Search Service Not Running

If the Windows Search bar is unresponsive, returns no results, or shows an error like "Windows Se...

How to Fix Remote Desktop Update Stuck at 0%

You start a Remote Desktop update and it sits at 0% for minutes or hours. This is a common issue ...