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 a message that Windows is not genuine, even though it was a...

You click the Windows Security icon in the taskbar or open it from Settings, but nothing happens—...

You may see a throttling error in Microsoft Teams when sending a high volume of messages, adding ...

If you see a message like "Your profile version is not supported" or a mismatch error when starti...

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

Fix Windows Security High Memory Usage
If you notice that Windows Security (formerly Windows Defender) is using a lot of memory—sometime...