Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix Chrome Permission Denied When Installing Extensions

When you see a 'permission denied' message while trying to install a Chrome extension, it usually...

Fix Windows Defender Permission Denied When Scanning a Folder

You try to scan a folder with Windows Defender and see 'Permission Denied' or 'Access Denied'. Th...

Fix Outlook Authentication Failed When Sending Email

If you get an authentication failed error when sending email in Outlook, the problem is usually a...

Fix Windows Defender Proxy Error 0x80070422

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

Fix PowerShell Execution Policy Error on Windows

When you try to run a PowerShell script and see the error unable to run script because exec...

Remote Desktop Connection Refused Troubleshooting Checklist
When you see 'Remote Desktop connection refused' or 'Remote Desktop can't connect to the remote c...