DO NOT DOWNLOAD

I downloaded avast free antivirus about a month ago and it was great then paypal sent me a notification saying I paid them $59.99 CAD WHICH I DID NOT APPROVE. I didn’t even give them ANY payment info whatsoever. They hacked my information and stole my money. TERRIBLE COMPANY DO NOT DOWNLOAD

https://support.avast.com/article/24/ (Orders and Renewals)

Where did you download Avast free?
It’s free only from Avast itself; some companies seem to make money by distributing the software.

Been using Avast for years now and I always unchecked the auto renewal. I also got a email from what seemed to be pay pal (it was not) saying the same thing as you mention. I checked all to be sure (I have no accounts or cards linked with my pay pal account so i know it cant be true) and checked the avast account. Its a fake email and you should report it to all relevant agencies.

As said above, consider this:

https://scamicideblog.wordpress.com/2018/01/15/scam-of-the-day-january-16-2018-new-paypal-phishing-scam/

https://www.onlinethreatalerts.com/article/2018/1/7/beware-of-paypal-unusual-payment-cancellation-phishing-scams/

And lots more if you search >> https://blog.trendmicro.com/trendlabs-security-intelligence?s=Pay+pal