Weeks ago I purchased the 4 Professional for one year. I received an email saying "Thank you for your order!" along with an Order Ref. # in my name. When I tried to enter the License Key, it told me that was an "Invalid License number." I gave up. Today, I made attempts to start over. I was able to download (the Professional) from the link that had been sent in that previous email several weeks ago. I placed / saved the icon on my desktop. However, when I click on it to install it, it keeps telling me that, "There is already a copy, do I want to write over it?" I seem stuck in this viscious loop; the only certainty here is that Avast has my 30 bucks. If it makes any difference, I previously had no problems with the avast free version. It has been LESS than 30 days since I purchased the Pro version. Perhaps these problems seem simple to most of you, but a customer service phone number would save us ALL lots of time here. Not sure I can recommend this product at this point. Is there an avast for dummies?
? help, somebody! Jeanette