Sorry for the trouble, myfre! We'll be happy to investigate this with you and figure out what's going on, but as Lizard mentioned, the best thing to do here is going to be to contact the support ninjas via
email. As I'm sure you noticed, the forums don't really preserve the formatting of a sample report; it makes it a lot harder to tell what's going on.
An 8MB database is very large, but that's still slower performance than I would expect on your hardware, given the 2000-ish items in your database. I use my database for testing purposes, so it has just over 1700 actions and over a thousand projects, but still is only 812k in size...