Burster Player and 2.64a - black screen

I’m sorry, if this is a repost, I searched google and BA Forum, but my question did not come up.
I installed burster 1.61, which is supposed to play 2.64a files. I read in the forum that it works.
However on several machines that I tested it says: Version 1.5.6 - I did re-install 1.61 - and shows a black screen 2.49 Files work, but I really don’t want to go back that far.