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

Fix Windows Update Proxy Error via Group Policy

When Windows Update fails with a proxy error, it often means the system's proxy settings are misc...

Fix Windows Activation Service Unavailable Error

You try to activate Windows, but see 'Activation service unavailable' or 'We can't activate Windo...

How to Fix Windows Update High CPU Usage and Clean Up

If your PC feels sluggish and Task Manager shows 'Windows Update' or 'TiWorker.exe' pegging the C...

Fix Microsoft Teams Error Code cxa20002

Error code cxa20002 in Microsoft Teams usually appears when you try to sign in or launch the app....

Fix VirtualBox Kernel Driver Permission Denied on Linux

Fix Microsoft Teams High CPU Usage on Mac M1

If you're using Microsoft Teams on an Apple M1 Mac and noticing the fan spinning up or the machin...