I got my current version directly from Paragon. I noticed that I have two options from the main Paragon site to login to my account. One is for purchases before a certain date, and one is for purchases after a certain date. As a long-time user, I was constantly logging into the "old" account. One day I tried logging into the "new" account, and my HDM 17 was listed there. Hit the download button and the version that downloaded was 17.18.0.5549 (this is what windows file explorer tells me in the file properties dialog). I was excited, getting the latest and greatest... Until I installed it and it doesn't work.
None of the "Backup Strategy" options stick.
Cheers!