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

Windows Defender Failed to Start: Manual Malware Check Guide

If Windows Defender fails to start, you might see an error like "Windows Defender service won't s...

Fix Windows Update 502 Bad Gateway Connection Issue

When Windows Update fails with a "502 Bad Gateway" error, it usually means the update server can'...

Fix CMD Service Unavailable Due to Group Policy

Situation

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

Fix PowerShell Port Already Allocated Error When Port Is Free

You try to start a service or listener in PowerShell and get an error like port already all...