Checklists for software errors, setup, and tool workflows.

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Fix 'File Locked by Unknown Process' in Command Prompt

You try to delete, rename, or move a file, but Windows says it's locked by an unknown process. Th...

Chrome Profile Missing After Update: Recovery Steps

After a Chrome update, you might find your profile—bookmarks, history, passwords, extensions—seem...

Fix npm ERR! code ERESOLVE After Node.js Upgrade

After upgrading Node.js, you might run into npm ERR! code ERESOLVE when installing o...

Fix Windows Defender Proxy Error 0x80070422

If you see error 0x80070422 when opening Windows Defender or running a scan, it usually means the...

How to Fix Nginx 403 Forbidden Permission Denied

You're trying to access a site served by Nginx, and instead of the page you get a 403 For...

Windows Update 504 Gateway Timeout: Advanced Troubleshooting Checklist
If you're seeing a 504 Gateway Timeout error when running Windows Update, it usually means the up...