PC Tune 2017. It will not Install

I have just purchased the AVG Internet Secirity And P C Tune UP.AVG Internet load and Installed- Perfectly.

When I try install The P C Tune Up it gives me an Error code

Stab Walker.

Stan,
We sincerely apologize for any inconvenience this may have caused you. We appreciate all your efforts in trying to fix the issue. We request you to restart your device and then go to control panel, check if AVG PC Tuneup is listed. If not proceed with the installation. Else, activate your AVG PC Tuneup as suggested here: http://avgclick.me/installAVGPCTuneUp. Please, feel free to let us know if you require any further assistance. Thank you.

Stan,
We sincerely apologize for any inconvenience this may have caused you. We appreciate all your efforts in trying to fix the issue. We request you to restart your device and then go to control panel, check if AVG PC Tuneup is listed. If not proceed with the installation. Else, activate your AVG PC Tuneup as suggested here: http://avgclick.me/installAVGPCTuneUp. Please, feel free to let us know if you require any further assistance. Thank you.