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

How to Fix Windows Security Not Working on Ubuntu

You're running Ubuntu and see an error that Windows Security isn't working. This usually happens ...

Fix Microsoft Store Error 502 Bad Gateway After Update

After a recent Windows update, you open the Microsoft Store and see 'Error 502 – Bad Gateway'. Th...

Fix Windows Update Token Expired Registry Error

If you see a 'token expired' or 'Token Expired' error when checking for Windows updates, the issu...

Fix Windows Defender Not Starting Due to Invalid Config

If Windows Defender won't start and you see an error about invalid configuration, the problem is ...

How to Fix Microsoft Teams Slow Performance on Windows 10

If Microsoft Teams feels sluggish on your Windows 10 PC — messages lag, calls stutter, or the app...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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