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

Fix Windows Update High Memory Usage When Not Working

You open Task Manager and see Windows Update using 50% or more of your RAM, while updates are stu...

Fix Windows Security Login Loop Error: Step-by-Step

You keep getting prompted for your PIN or password in a loop when trying to sign in to Windows Se...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Fix Windows Activation 502 Bad Gateway DNS Error

If you see a 502 Bad Gateway error during Windows activation, it usually means y...

Fix Chrome Tunnel Connection Failed Error

When you see "Tunnel connection failed" in Chrome, it usually means the browser couldn't establis...

SSL Certificate Error in Windows Defender: Troubleshooting Checklist

If you see an SSL certificate error when Windows Defender tries to update or scan, it usually poi...