Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You see error 0x803fa067 when trying to activate Windows 10. It usually means the activation serv...

When Windows Search stops working, you might see no results when you click Start and type, or the...

When Windows Update fails with error 0x80070005 and a “Permission Denied” message, it typically m...

If Microsoft Teams starts automatically every time you log into Windows, even after you've turned...

If you see E: Could not get lock /var/lib/apt/lists/lock - open (11: Resource temporarily u...

Fix 'pip install no matching distribution found' for Python 3.9
When you run pip install somepackage and get an error like ERROR: Could not fi...