Checklists for software errors, setup, and tool workflows.

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Fix PowerShell Service Unavailable Error on Windows

You're running a PowerShell command and get a red error: "Service unavailable". ...

Fix Microsoft Teams 502 Bad Gateway Error by Clearing Cache

If you see a 502 Bad Gateway error in Microsoft Teams, it often means the app's ...

Fix Microsoft Teams Connection Refused on Startup

When you start Microsoft Teams and see a 'connection refused' or 'can't connect' error, it's usua...

Fix Remote Desktop 404 Error from Missing Web Interface

You connect to your remote desktop gateway, but instead of a login prompt, you get a 404 error. T...

Fix Microsoft Teams Network Error Permission Denied

You try to sign in or join a meeting in Microsoft Teams, and you see a network error: per...

Fix Windows Activation Token Expired via Command Line
If you see a message that your Windows activation token has expired, the system may refuse to act...