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

How to Fix Windows Defender That Keeps Stopping and Starting

If you notice Windows Defender (Microsoft Defender Antivirus) repeatedly stopping and restarting,...

How to Fix Remote Desktop Connection Refused on Ubuntu

You try to connect to your Ubuntu machine via Remote Desktop (RDP) and get a "connection refused"...

How to Transfer a Windows License to a New Computer

If you've bought a new computer and want to move your existing Windows license, the process depen...

Fix Windows Activation slui.exe Not Opening

When you try to activate Windows using the Settings app or a command, slui.exe (Software Licensin...

Fix OneDrive Error 0x8004deb4: Sync Failed to Start

OneDrive error 0x8004deb4 typically appears when you try to start syncing but the process fails i...

OneDrive Sync Ubuntu: Setup Checklist for New Users

Before You Start

OneDrive doesn't have an official Linux client. Ubuntu users rely on the...