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

How to Fix 'File Locked by System' in Windows Defender

If you see an error like "File locked by system" when running a Windows Defender scan or trying t...

Windows Defender and Ubuntu Dual Boot Setup Guide

If you run a dual-boot system with Windows and Ubuntu, you may notice that Windows Defender somet...

Fix Microsoft Teams Auto Start Not Working via Task Manager

You've set Microsoft Teams to launch automatically, but it doesn't start when you log in. You che...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

Fix Windows Update Rate Limit Errors via Network Configuration

You try to run Windows Update and get an error like 0x8024401c or a message that the update servi...

Fix OBS Virtual Camera Not Detected by Zoom

You've set up OBS Studio with the Virtual Camera plugin, but Zoom shows nothing in the camera dro...