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

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 Refused: Configuration Guide

You try to connect to a remote Windows PC via Remote Desktop and get a 'connection refused' or 'c...

Fix Windows Store Error 0x80073cf9 During Installation

Windows Store error 0x80073cf9 typically appears when you try to install or update a...

Windows Defender Scan Stuck at Certain Percentage: Fixes That Work

If you run a Windows Defender scan and it stalls at the same percentage every time—often 85%, 93%...

How to Fix Chrome Error STATUS_ACCESS_VIOLATION