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

Fix Windows Defender Proxy Error: Configuration Guide

You open Windows Security and see a yellow warning: "Your IT administrator has limited access to ...

Windows Activation Troubleshooting Checklist

Windows activation can fail for many reasons—product key typos, hardware changes, or server hiccu...

Fix Windows Security Service Not Running for Antivirus

If Windows Security shows 'Service not running' or your antivirus isn't working, the underlying s...

Fix Remote Desktop Connection Version Mismatch Error Code

When you try to connect to a remote PC using Remote Desktop Connection (RDP) and get a "version m...

Fix Command Prompt Service Unavailable After Update