Biblioscape User Community

I have found a problem when I double-click on a note's reference link to open the reference. It opens OK, and everything is fine, until I try to exit Biblioscape. Then I get the error message "Cannot create file". If I dismiss that error and try to exit again I get an access violation (although the details seem to be different each time). I have to Ctrl-Alt-Del to shut down Biblioscape.