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

Fix Microsoft Teams Token Expired by Clearing Cache

If you see a 'token expired' or 'sign-in error' message in Microsoft Teams, it often means the st...

Fix Microsoft Store Not Opening with wsreset Command

When the Microsoft Store refuses to open—either it crashes on launch, hangs on a blank screen, or...

How to Clear SSH Known Hosts and Fix Host Key Verification Failed

Fix Windows Terminal 'Cannot Connect to Localhost: Permission Denied'

You open Windows Terminal, try to connect to a service running on localhost, and get a 'permissio...

How to Fix Outlook High CPU Usage Caused by Add-ins

If Outlook is using 50% or more of your CPU for no obvious reason, an add-in is often the culprit...

Fix Windows Update Stuck on Checking for Updates with Connection Timeout

You click Check for updates, and Windows sits there spinning forever—sometimes for hours—before s...