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

Windows Activation for Ubuntu Installation Guide

You installed Ubuntu alongside Windows and now Windows shows it's not activated. This is a known ...

Fix Microsoft Teams File Locked Not Opening

When you try to open a file in Microsoft Teams and get a “file locked” or “this file is locked fo...

Fix Microsoft Teams High CPU Usage After Update

After a recent update, you may notice Microsoft Teams using 50-80% of your CPU, making your syste...

How to Fix Chrome ERR_CONNECTION_RESET Proxy Error

If you see "ERR_CONNECTION_RESET" in Chrome when trying to visit a website, it usually means the ...

How to Fix Microsoft Store Not Opening in Windows 11

If the Microsoft Store refuses to open on your Windows 11 PC, you're not alone. The app may crash...

How to Fix Remote Desktop 'Connection Refused' or 'Permission Denied'