Checklists for software errors, setup, and tool workflows.

Fix Windows Activation 502 Bad Gateway Due to Proxy Settings

If you see a "502 Bad Gateway" error when trying to activate Windows, the problem is often a misc...

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 VSCode Extension Host Terminated Unexpectedly

You're working in Visual Studio Code when suddenly a popup says "Extension host terminated unexpe...

Fix WSL Ubuntu Internet Not Working Due to Windows Firewall

If your WSL Ubuntu instance has lost internet connectivity, the Windows Firewall is a common culp...

How to Fix Windows Defender Access Denied Error

If you see an "Access Denied" error when trying to open Windows Defender or run a scan, it usuall...

Chrome Backup Configuration: Tips for Saving and Restoring Settings

You've spent hours customizing Chrome—bookmarks, extensions, themes, and settings. Then a crash, ...