Checklists for software errors, setup, and tool workflows.

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Fix PowerShell DNS Resolution Failed Error

If you see DNS resolution failed when running a PowerShell command that tries to con...

Fix Nginx Permission Denied for Static Files

If you see '403 Forbidden' or 'Permission denied' when nginx tries to serve static files (CSS, JS...

Fix PowerShell Settings Reset After Windows Update

After a Windows update, you may find that your PowerShell settings—such as execution policy, prof...

Fix Windows Update Connection Refused on Windows 11

If you see a 'connection refused' error when checking for updates on Windows 11, it usually means...

Fix Git Push Rejected: Non-Fast-Forward vs Fast-Forward

When you run git push and see an error like ! [rejected] main -> main (non-fas...

Enable Windows Defender After Disabling Third-Party Antivirus
If you've disabled or uninstalled a third-party antivirus and now find Windows Defender is not au...