Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix Windows Update Stuck on 'Pending Install' for Hours

You click 'Check for updates,' see 'Pending install,' and it stays that way for hours. The progre...

Fix Windows Update Authentication Failed in Enterprise Setup

When Windows Update fails with an authentication error in an enterprise setup, it often means the...

Fix Microsoft Teams Module Not Found Error by Clearing Cache

If you see a 'module not found' error when starting Microsoft Teams, it's often caused by a corru...

Fix Chrome 'Cannot Delete Downloaded File: File in Use' Error

When you try to delete a downloaded file from Chrome's download bar or the Downloads page, you mi...

Fix Remote Desktop 504 Error on Azure VM

You try to connect to your Azure VM with Remote Desktop and get a 504 Gateway Timeout

Windows Security App Not Working After Update: Fixes
After a Windows update, the Windows Security app may fail to open, show a blank screen, or displa...