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

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...

Fix Docker Desktop WSL Integration After Update

After a Docker Desktop update, you might see that your WSL 2 distributions no longer appear in th...

Fix Cloudflare DNS Not Resolving on Android

If you've set Cloudflare's 1.1.1.1 DNS on your Android device but websites won't load or you see ...

Fix Windows Update Cleanup Permission Denied Error

When you try to clean up Windows Update files using Disk Cleanup, you might see a "permission den...

Fix Windows Defender Antivirus Permission Denied Error

You try to start Windows Defender Antivirus and get a “permission denied” error. This typically h...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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