J. River 16 stopped working

I have 2 laptops with J. River 16 & both went on the fritz at the same time. One results in the dreaded blue screen when I try to change songs and artists and the other will not let me go beyond my first artist selection. I have tried a number of fixes without success. When I reboot each computer a J. River screen pops up stating it was shut down unexpectedly & that I should remove any recently added third party add ons(there were none) , purchase a new version of J.River etc. I think it is very strange that both went at the same time & would appreciate any ideas to get them running properly again.
Reinstall it.
Better yet, buy the newest version, #20. Several improvements over v16. Unless you're on a really tight budget, spend the $49 and be set for the next 5 years.