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 ...

How to Fix Windows Update Not Downloading on Mac

If you're running Windows on a Mac via Boot Camp or a virtual machine, you might encounter a situ...

Fix Windows Security Access Denied When Opening Settings

You click Windows Security in the Start menu or try to open Virus & threat protection, and instea...

Fix Windows Activation Failed to Start Setup Configuration Error

You might see this error when trying to activate Windows after a hardware change, a major update,...

Fix 502 Bad Gateway After Reboot in Command Prompt

If you see a 502 Bad Gateway error after rebooting your server or workstation, i...

How to Fix Windows Security Not Working

Windows Security (formerly Windows Defender) may fail to open, show a blank page, or refuse to up...