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

Fix Windows Defender Threat Service Stopped & No Internet

You open Windows Security and see 'Threat service has stopped. Restart it now.' At the same time,...

Fixing Microsoft Teams Rate Limit Error When Sending Messages

Reactivate Windows After Clean Install Without Product Key

If you've performed a clean install of Windows and can't find your product key, activation may fa...

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 BitLocker Settings Reset Permission Denied Error

When you try to reset BitLocker settings—such as changing the PIN, password, or encryption method...

BitLocker High CPU Usage Caused by TPM: How to Fix

If your system is running slow and Task Manager shows high CPU usage from the System process or B...