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

Fix Windows Security High CPU Usage After Update

After a Windows update, you might notice the Windows Security process (Antimalware Service Execut...

Fix VirtualBox Kernel Driver Permission Denied on Linux

How to Change Remote Desktop Port in Registry

If you need to change the default Remote Desktop (RDP) port (3389) to improve security or avoid c...

Fix 'Command Prompt Authentication Failed' – Run as Administrator

When you see 'authentication failed' in Command Prompt, it usually means your current session lac...

How to Fix Microsoft Store Stuck on Loading Screen

If the Microsoft Store hangs on the loading screen—showing only a spinning circle or a blank whit...