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

Windows Security Antivirus Not Detecting Threats: How to Fix

If you suspect Windows Security (formerly Windows Defender) is not detecting threats, you might s...

Fix Windows Defender Error 0x800106ba: Failed to Start

If you see “Windows Defender failed to start” with error code 0x800106ba, the Windows Defender se...

How to Fix Windows Defender Real-Time Protection Turned Off

You open Windows Security and see that real-time protection is off, even though you didn't change...

Fix 'Permission Denied' When Opening System32 in Command Prompt

Fix npm command not found without sudo

You type npm install and get npm: command not found. This usually means...

Fix 'Permission Denied' When Running Windows Activation on Ubuntu

If you're trying to activate Windows from Ubuntu and see a 'permission denied' error, you're like...