Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

How to Fix Windows Defender Service Not Running

If you see a message that Windows Defender is not running or the security center shows it's off, ...

Fix Task Scheduler Sync Issues with External Drives

If you have a scheduled task that runs a script or backup to an external drive, you might see it ...

Fix BitLocker Auto-Unlock Not Working via Group Policy

You've enabled BitLocker auto-unlock on a drive, but it still asks for the password every time yo...

How to Fix Task Scheduler Auto Start Not Working in Windows 10

You set up a task in Task Scheduler to run at startup, but it never executes. This is a common fr...

Fix Windows Activation slmgr Access Denied Error

When you try to activate Windows using slmgr.vbs commands, you might see an ...

How to Start the Windows Update Service When It Stops
If Windows Update isn't working, the first thing to check is whether the Windows Update service i...