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

Windows Security Not Scanning for Viruses: How to Fix

If Windows Security (formerly Windows Defender) is not scanning for viruses, you may see an error...

How to Fix Windows Security Slow to Load Settings

If you open Windows Security and the settings page takes a long time to load or shows a blank scr...

Windows Defender Missing from Settings After Update: Fix

After a Windows update, you might open Settings and find that Windows Defender (now called Micros...

Fix 'Port Already Allocated' Error in Windows Defender

You open Windows Defender Security Center or try to run a scan, and you see an error saying a por...

Fix 'Windows Security Failed to Start Access Denied' Error

You click on Windows Security and see 'Windows Security failed to start. Access denied.' This usu...

Java JDK Not Recognized After Installation: Fixes and Checks