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

How to Remove the Ubuntu dpkg Lock File

When you see an error like 'E: Could not get lock /var/lib/dpkg/lock' or 'E: Unable to lock the a...

Command Prompt Service Unavailable: Troubleshooting Checklist

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

How to Fix Windows Update Service Not Running

If Windows Update won't start or you see an error that the update service is not running, it's us...

How to Fix the 'Chrome Extension Disabled by Admin' Error

If you see the message 'This extension is disabled by admin' in Chrome, it usually means a policy...

Fix Chrome 'Permission Denied' for Notifications Not Working

You click "Allow" for notifications in Chrome, but the site says "permission denied" or the notif...

Fix 'Remote Desktop Command Not Found' After Update