AVG won't remove Win64:Trojan-gen

Hello Jasmyn,
We will check and help you with it.
Please share the screenshot http://support.avg.com/SupportArticleView?urlname=How-to-create-a-screenshot of that threat detection with full path.
Click on "See Details" at the bottom right corner of detected popup to view its full path.

Hi,

I've run a deep scan and AVG Internet Security has found this Trojan but can't remove it. There is an option to Resolve this threat but nothing happens when I select this.

How do I remove this?

Hello Jasmyn,
We will check and help you with it.
Please share the screenshot http://support.avg.com/SupportArticleView?urlname=How-to-create-a-screenshot of that threat detection with full path.
Click on "See Details" at the bottom right corner of detected popup to view its full path.

Hi Ranjani
User-added image
This is the screenshot as requested

Thank you for the screenshot, Jasmyn. 
We would like to understand more about the situation. I have sent you an email with the link to get connected with our technical support team. Please follow those instructions to get in touch with them and you should be able to resolve the issue.