I am having the same problem. I ordered the 13 upgrade, got the email notice to download trial, did so, then followed cleverbridge instruction to activate license, which was successful. Nitro pro opens, but when I attempt to do anything, like create a pdf from Word, or open a prior PDF saved on computer, it crashes, and asks if I want to send a report. I sent one.
Running on a lenovo with windows 10, 64 bit.
Leon