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Fix 'Port Already in Use' Error with Windows Defender Firewall

You try to start a local service or application, and it fails with an error like 'port already in...

Fix 'Windows Activation Service Not Starting' Permission Denied

When you see "Windows Activation Service not starting" with a "permission denied" error, the serv...

Fix 'Token Expired' in Microsoft Teams Without Reinstalling

You're in a meeting, or trying to sign in, and Microsoft Teams says your token has expired. The k...

Fix Outlook Reset Settings Permission Denied Error

Fix Windows Defender 404 Error in Command Prompt

When you try to run Windows Defender commands from Command Prompt and get a '404 Not Found' error...

Fixing PowerShell Authentication Failures in Active Directory

You're running a PowerShell command against Active Directory and get an authentication failure. T...