Storyboard Pro exporting 1920x1080 failing, Mediaserver.exe stopped working.

Whenever I try to export the project I have on storyboard pro (lenght: 2min) the mediaserver stops working and the exporting somehow continues, but when it finishes, the project that opens don’t play, weight less than 1MB. what can I do to solve this? internet is fine, computer does not crash, I optimized the project. help?