Checklists for software errors, setup, and tool workflows.

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Fix 'File Locked by System Process' in Windows 10 Search

When you search for a file in Windows 10 and get an error that the file is locked by a system pro...

Fix OneDrive Sync Service Unavailable on Windows 10

You open OneDrive and see 'Sync service unavailable' with no files syncing. This usually means th...

Fix 'Connection Refused' Error When Command Prompt Not Working

You type a command in Command Prompt and get "connection refused" or "No connection could be made...

Fix WSL Ubuntu Proxy Settings Not Working

If you've configured proxy settings in WSL Ubuntu but they aren't being used by apt or other tool...

Troubleshoot 504 Gateway Timeout in Windows Security App

When you open Windows Security (formerly Windows Defender Security Center) and see a 504 ...

Fix Windows Update Service After Antivirus Install
You installed a new antivirus program, and now Windows Update won't run. The service might be dis...