Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If Windows Security shows a proxy sync error, you may see a warning that security intelligence up...

If Windows Update fails to run automatically, you might see errors like "Service not running" or ...

You may see an error like "Windows Search version mismatch" or "The search service cannot communi...

You installed PowerShell — maybe the latest version — but when you type powershell o...

When Windows Update returns a 404 Not Found error, it usually means the update server can't locat...

You open Microsoft Store and see an SSL certificate error—maybe “ERR_CERT_AUTHORITY_INVALID” or a...