Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

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

You try to connect to a remote PC via Remote Desktop, but the connection fails with an 'access de...

You open Command Prompt, try to ping a server or run a network command, and get an error like

After a Windows update, the Visual Studio Installer may fail to launch, hang, or show error messa...

You might see error 0x800704cf when opening Windows Security or trying to update Windows Defender...

When you see "Windows Activation Service not starting" with a "permission denied" error, the serv...