Knowledge base for software setup, errors, and daily tool work.

Fix Microsoft Store App Not Opening on Startup After Update

After a recent Windows update, you might find that certain Microsoft Store apps—like Mail, Calend...

How to Fix BitLocker 404 Not Found Error

You try to unlock a BitLocker-encrypted drive, but instead of a prompt for the recovery key, you ...

Command Prompt Service Unavailable: Troubleshooting Checklist

When you open Command Prompt and see 'Service unavailable' or 'The requested service is not avail...

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...

Outlook Settings Reset Not Working: Practical Fixes

Windows Security Authentication Failed: Troubleshooting Checklist

When Windows throws an authentication failed error, it usually means the system couldn't verify y...