Checklists for software errors, setup, and tool workflows.

Fix Docker Build Error: 'failed to solve: manifest not found'

You run docker build and get an error like:

failed to solve: error fetching ...

Fix Windows Update Service Stuck on Starting Repair

You restart your PC after a Windows Update failure, and the screen says 'Starting repair' — but i...

Fix 'Command Prompt Run as Administrator Permission Denied'

You try to run Command Prompt as administrator, but you get a 'permission denied' or 'access deni...

Fix Microsoft Store Blank Screen When Opening an App

You launch an app from the Microsoft Store, and instead of the app window, you get a blank screen...

Fix Windows Activation Token Expired Without a Product Key

You might see a watermark saying your Windows activation has expired, even though you never enter...

How to Fix Chrome SSL Protocol Error: Invalid Server Certificate

You try to visit a website in Chrome and see an error: "SSL protocol error" with "invalid server ...