Blocked by group policy

Jamie, Have a look @ this link (https://support.avg.com/answers?id=906b0000000D3vPAAS).
AVG Guru

Hi, 

I am still using the 2013 version of AVG and recently this error has come up. Have tried the steps reccommended below but when I try to delete the folders I cannot as I cannot highlight the delete button just wondered if there is anything else I should do or am I doing something wrong?

Jamie, Have a look @ this link (https://support.avg.com/answers?id=906b0000000D3vPAAS).
AVG Guru