Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix Chrome Settings Reset After Update

You update Chrome, open it, and find your homepage gone, search engine switched to Bing, or exten...

How to Manually Download Chrome Profile on Mac

If you need to back up or transfer your Chrome profile (bookmarks, passwords, extensions, history...

Fix Windows Defender Blocking Legitimate Software

You install a legitimate application, and Windows Defender immediately blocks it or deletes its f...

Fix Windows Security Rate Limit Error 0x80070005

You open Windows Security and see an error: 0x80070005. Sometimes it says "Access denied" or "Rat...

Fix PowerShell 404 Error When Using Invoke-WebRequest

When you run Invoke-WebRequest in PowerShell and get a 404 Not Found

Fix Windows Update 502 Bad Gateway Due to Firewall Settings
When Windows Update fails with a 502 Bad Gateway error, it often points to a network issue—common...