Checklists for software errors, setup, and tool workflows.

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2. Isolate

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Fix OneDrive Sync 502 Bad Gateway Error

You open OneDrive and see a 502 Bad Gateway error when syncing files. This usually means a tempor...

Fix PowerShell Cannot Connect to Office 365

You open PowerShell, run a command to connect to Office 365, and get an error: "Cannot connect to...

Fix Outlook File Locked by Outlook.exe Not Responding

If you see an error that your Outlook data file (.pst or .ost) is locked because Outlook.exe is n...

Fix Windows Activation Token Expired During Reinstall

If you're reinstalling Windows and see an activation error saying your token has expired, you're ...

Set PATH Variable to Fix 'Command Not Found' in CMD

When you type a command in Windows Command Prompt and get 'xxx' is not recognized as an int...

OneDrive Sync Not Working After Update: Quick Fix
After a Windows or Office update, OneDrive may stop syncing files, show error messages, or appear...