Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If Edge is crashing, running slowly, or not syncing correctly, start with this checklist. It cove...

If you're unable to connect to a remote desktop after changing settings or after an update, the c...

If Outlook stops connecting to your Yahoo Mail account, you're not alone. This usually happens af...

You download the Windows Security offline installer (the .cab or .psf file) to update Defender de...

After a Windows update, you might see an error when trying to restore an activation backup. The b...

You click Chrome and nothing happens, or you see an error about your profile not opening. This us...