Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix Windows 10 Update Stuck at 100%

You've waited through a Windows 10 update, only to see it stuck at 100% for an hour (or more). Th...

Fix Windows Activation Rate Limit Error 0xC004C003

If you see error 0xC004C003 when trying to activate Windows 10, it usually means you've exceeded ...

Fix Microsoft Teams Auto Start Not Working via Task Manager

You've set Microsoft Teams to launch automatically, but it doesn't start when you log in. You che...

Fix Windows Activation Port Error 0x80072efd

If you see error 0x80072efd when trying to activate Windows, the message often says something lik...

Fix DNS Errors in Windows Terminal Using Command Prompt

If you get DNS errors in Windows Terminal—like DNS_PROBE_FINISHED_NXDOMAIN or ...

Fix Windows Activation Path Not Found Registry Error
You may see an error like “Windows activation path not found in registry” when trying to activate...