Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If Windows Security (formerly Windows Defender) fails to start, you may see an error like "This a...

If Task Scheduler opens to a blank white or gray screen with no tasks listed, the issue is often ...

You click Pause updates, but the progress bar keeps moving. Or you see 'Updates paused' but your ...

If you see "ERR_CONNECTION_RESET" in Chrome while using a proxy, the connection between Chrome an...

When you run an apt command and see a message like Could not get lock /var/lib/dpkg/lock-fr...

Fix 'Windows Terminal Path Not Found' for WSL
You open Windows Terminal, click the WSL profile, and get an error like “The file path is not fou...