Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you see error code 0x8004de40 when trying to sign in or sync files in OneDrive, it usually mea...

If Windows Search doesn't start when you boot your PC, you'll notice the search box or taskbar se...

When Microsoft Teams starts acting up—refusing to log in, failing to sync, or crashing repeatedly...

If your games stutter, take long to load, or feel sluggish, Windows Defender might be scanning ga...

After installing updates and restarting, Windows may crash, freeze, or loop on the login screen. ...

After a Windows or Windows Terminal update, you might open the terminal and find that some fonts ...