Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

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Fix OneDrive 'Connection Refused' Error After Update

After a recent Windows or Office update, you might see a "Connection refused" error when trying t...

Fix Windows Activation Login Loop Not Accepting Password

You're stuck in a login loop after a Windows activation or update. You type your password correct...

Fix PowerShell Infinite Login Loop in Windows

If you're stuck in a loop where PowerShell opens, closes, and reopens repeatedly, it's usually ca...

Windows Update Troubleshooting Checklist for IT Admins

When Windows Update fails on a managed workstation, the first step is to isolate the cause. Use t...

Fix 'PowerShell Is Not Recognized' Error on Windows

You type a PowerShell command in Command Prompt or a script and see: 'powershell' is not re...

Fix slui.exe High CPU Usage During Windows Activation
If you notice your CPU pegged at 100% while trying to activate Windows, slui.exe (Software Licens...