Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

After a Windows update, you might see "Authentication failed" when trying to sign in to the Micro...

If you see Access Denied or UnauthorizedAccess when running a P...

When Windows Update fails with an authentication error, it usually means the system couldn't veri...

If you see a '404 not found' error when trying to open Windows Terminal from Visual Studio Code, ...

If you see a message like 'Your profile could not be opened correctly' or 'The profile appears to...

When you try to install the Windows Search offline installer (e.g., for Windows 10 or 11), you ma...