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

Fix PuTTY Network Error: Connection Refused on Ubuntu

When you try to connect to an Ubuntu machine using PuTTY and see "Network error: Connection refus...

Chrome Profile Log File Configuration Checklist

If Chrome crashes, won't sync, or behaves oddly, the profile log file can reveal why. This checkl...

Fix Windows Activation Path Not Found After Motherboard Change

After swapping your motherboard, Windows may fail to activate and show an error like "Windows act...

Fix Windows Defender Not Opening Error 404

You try to open Windows Defender and get an error 404 – the page or resource can't be found. This...

Fix Windows Security Service Not Running for Antivirus

If Windows Security shows 'Service not running' or your antivirus isn't working, the underlying s...

How to Set Up Remote Desktop on Windows 11

Before You Start

Remote Desktop lets you connect to your Windows 11 PC from another devic...