This may be because your browser or internet may be compromised, we've seen instances where customers systems that have had their browsers hijacked by malcious software will prevent accessing downloads, logging support requests, etc.
In this case best thing to try first is to download the MyPreSonus app on your phone or mobile device available on the Apple App Store and Google Play store. From there you can register products, access support and this Answers system.
On your computer you can also try to open Private Browsing mode in your browser and/or try a different browser, or better yet a complete different computer.
