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

How to Fix BitLocker SSL Certificate Error

Symptoms

When you try to unlock a BitLocker-protected drive or enable BitLocker, you may ...

How to Fix Windows Security High CPU Usage

If your PC feels sluggish and Task Manager shows Windows Security (or Antimalware Service Executa...

How to Fix BitLocker Not Working on Ubuntu

If you dual-boot Ubuntu with Windows or try to access a BitLocker-encrypted drive from Ubuntu, yo...

Fix Remote Desktop Failed Due to Firewall Settings

You try to connect to a remote PC using Remote Desktop (RDP) but get an error like "Remote Deskto...

How to Fix Windows Update Stuck on Loading Black Screen

You start your PC, see the Windows logo, then it goes black with a spinning circle that never end...

How to Fix Windows Activation Service Not Running or Disabled

If you see an error that the Windows Activation Service is not running or disabled, it usually me...