Password protection

Why does my password protection keep turning itself off? Every time I turn my PC on I have to activate it.

Hi Tracy, 

We will help you in this. 
It was a bug and our developers have fixed it.

Kindly use clear from the below link and uninstall the AVG : 
https://support.avg.com/SupportArticleView?urlname=Uninstall-AVG-software-Clear-Remover
Restart the PC and reinstall the AVG to fix this issue.