Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You try to start a service or application, and you get an error like "port already allocated" or ...

You're working on a file in OneDrive on your Mac, and suddenly a second file appears with a name ...

If you're seeing a '404 Not Found' or 'Permission Denied' error when accessing or syncing files i...

If you've disabled Cortana and find that Windows Search no longer returns results or runs slowly,...

OneDrive sync can get stuck when files fail to upload or download, leaving a queue that won't cle...

After a recent Windows update, you might find that Remote Desktop won't connect, and the service ...