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

Windows Update Service Not Running: How to Fix

If Windows Update fails to check for updates and you see an error like “Windows Update service is...

How to Fix Windows Defender Version Mismatch on Windows 10

You might see an error saying Windows Defender has a version mismatch, or the app won't open beca...

Fix PowerShell Remote Connection Refused Error

How to Fix Microsoft Teams Error Code CXA20001

Microsoft Teams error code CXA20001 typically appears when signing in, often after a password cha...

Fix Windows Security Update Error 0x800f0922

If you see error 0x800f0922 when installing Windows security updates, it usually means the update...

How to Fix Microsoft Store Proxy Error

You open Microsoft Store and see a message like ‘Proxy server isn’t working’ or ‘Check your proxy...