Checklists for software errors, setup, and tool workflows.

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Fix Windows Terminal '404 Not Found' Profile Error

When you open Windows Terminal and see a '404 not found' error for a profile, it usually means th...

Fix Windows Activation Error 504 on VPN Connection

If you see error 504 when trying to activate Windows while connected to a VPN, it usually means t...

Fix Windows Defender Missing After Update

After a Windows update, some users find that Windows Defender is missing from the system tray, Se...

Fix 'Token Expired Permission Denied' in Microsoft Teams

You're working in Microsoft Teams and suddenly you can't access a channel, send a message, or ope...

Fix Windows Update 404 Not Found Error When Antivirus Interferes

You try to run Windows Update, but instead of the usual process, you get a 404 Not Found<...

Fix Microsoft Teams Connection Refused on Windows 10
You open Microsoft Teams on Windows 10, but instead of connecting, you see a 'connection refused'...