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

Fix Windows Update Connection Timeout with Registry Edit

You click Check for updates, and after a long wait, you get a timeout error. This is often caused...

Fix Microsoft Teams Stuck on Loading Black Screen

When Microsoft Teams gets stuck on a black screen during startup, the app window may show nothing...

Fix Microsoft Teams Token Expired Authentication Failed Error

You're signed into Microsoft Teams and suddenly get a message saying your token has expired or au...

Fix Command Prompt High CPU Usage Caused by Windows Update

You open Task Manager and see Command Prompt (cmd.exe) using a lot of CPU – sometimes 30% or more...

Fix 'Windows Defender Not Recognized' Error in Command Prompt