Avg tune up won't install

Hello Paul, 
Thank you for contacting AVG Community Support.
We are sorry to hear that you are having trouble with installing AVG TuneUp and want a refund.
We understand how frustrating it feels to be in this situation, and we are sincerely sorry for it. Could you please provide us with more details about the situation, and we will do my best to help you resolve it efficiently.
Are you facing this issue in Windows or Mac device?
Did you have installed any other antivirus software other then AVG?
Does any specific error message appear?
Could you please share us the screenshot of the error you got? (https://support.avg.com/SupportArticleView?urlname=AVG-Create-screenshot
You can post the screenshot here in your topic. Click on Answer & then click on the Image [mountain symbol] & follow the instructions.
If you still want a refund, we can help you with that too.
Thanks in advance.

I have tried all the trouble shooting info from you - there is no way tune up will install
trying to get a refund is just  as frustrating !!!

Hello Paul, 
Thank you for contacting AVG Community Support.
We are sorry to hear that you are having trouble with installing AVG TuneUp and want a refund.
We understand how frustrating it feels to be in this situation, and we are sincerely sorry for it. Could you please provide us with more details about the situation, and we will do my best to help you resolve it efficiently.
Are you facing this issue in Windows or Mac device?
Did you have installed any other antivirus software other then AVG?
Does any specific error message appear?
Could you please share us the screenshot of the error you got? (https://support.avg.com/SupportArticleView?urlname=AVG-Create-screenshot
You can post the screenshot here in your topic. Click on Answer & then click on the Image [mountain symbol] & follow the instructions.
If you still want a refund, we can help you with that too.
Thanks in advance.