Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix Windows Defender Service Authentication Failed Error

You might see the error 'Windows Defender service authentication failed' when trying to open Wind...

Fix Windows Activation Login Loop That Keeps Restarting

You sign in to Windows, see the activation watermark, then the system restarts. This loop can rep...

How to Fix Chrome Profile Version Mismatch by Deleting the Profile

If you see a message like "Your profile version is not supported" or a mismatch error when starti...

Fix Chrome 502 Bad Gateway After Profile Reset

If you see a 502 Bad Gateway error in Chrome after resetting your browser profil...

Fix PowerShell Execution Policy Error on Mac

If you see an error like “cannot be loaded because running scripts is disabled on this sy...

Fix Windows Update Invalid Configuration Error on Windows 10
You may see a 'Windows Update invalid configuration' error when trying to check for or install up...