Hello, I recently subscribed to Avast ultimate security. Everything installed without an issue. But when I tried to install the helper tool to use Anti Track. I get the enter password my mac system. I do the prompt goes away and then comes back asking again. I can’t seem to figure it out. I have the latest version macOS and Avast installed. If anyone knows how to fix this please let me know. here a picture of the prompt https://imgur.com/4QQwNAL .
Please attach your screenshot(s), some of us don’t follow external links. 
Thanks for letting me know. I updated the post.