Checklists for software errors, setup, and tool workflows.

Fix Command Prompt Proxy Settings 502 Bad Gateway

If you see a 502 bad gateway error when using command prompt tools like curl, npm, or git, the pr...

Fix 'err tunnel connection failed' on Chrome for Android

You open Chrome on your Android phone and instead of loading a page, you see 'err tunnel connecti...

Fix Java JDK Not Recognized in Environment Variable Path

If you see 'java' is not recognized as an internal or external command after install...

How to Fix '404 Not Found' File Path Errors in CMD

When you run a command in the Windows Command Prompt and see '404 Not Found' or

Fix Git Clone Permission Denied (publickey) on Bitbucket

You try to clone a Bitbucket repository and see:

Permission denied (publickey).
fatal: Co...

Microsoft Store Invalid Configuration: Troubleshooting Checklist

When you see 'Invalid configuration' in Microsoft Store, it usually means a setting or service is...