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

Windows Defender Configuration Settings Guide

Windows Defender (now Microsoft Defender Antivirus) is the built-in security solution for Windows...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Check Which Process Is Using a Port on Windows

When a service or application fails to start because a port is already in use, you need to identi...

Fix Windows Defender Crashing After Update Error 0x800704ec

If Windows Defender crashes or fails to start after a recent update and you see error 0x800704ec,...

Fix Chrome Profile Crash Error Code: Step-by-Step Guide

You open Chrome and see a message like "Whoa! Google Chrome crashed" or "Aw, Snap!" with an error...

Fix Windows Security Error 404 After Update

After a recent Windows update, you might see an error 404 when opening Windows Security. The app ...