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

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

BitLocker Version Mismatch Troubleshooting Checklist

If you see an error like "The version of BitLocker on this drive is incompatible with this versio...

How to Fix High Memory Usage from Windows Activation

If you notice your PC running slow and Task Manager shows high memory usage (often 50% or more) w...

SSH Public Key Permission Denied vs Password Authentication: Fixes

You can SSH into a server using a password, but when you try the same connection with a public ke...

Fix Microsoft Store After Changing Network

If you recently changed your network—switched Wi-Fi, moved to a new ISP, or updated router settin...

Fix Remote Desktop Dependency Conflicts: Setup Guide

You've installed Remote Desktop (RDP) on a new server or workstation, but it fails to start or cr...