Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you've ever opened File Explorer on a network drive, typed a filename into the search box, and...

When running PowerShell scripts that make HTTP requests through IIS, you may encounter a 504 Gate...

You might see an error like 'Windows Defender cannot check for definitions because of an SSL cert...

You set up a task in Task Scheduler, but when it runs you get 'Access Denied' or 'Permission Deni...

When you try to back up or restore Windows activation using the slmgr /upk or ...

Check PowerShell Version Before Running Scripts
You wrote a PowerShell script or downloaded one from a repository. You run it, and it fails with ...