man after I　instal your app, my n900 got some problems.

1.sometimes mp4 files are not working and they are all working before.
2. after I did about 10 times swtiching from one video to another, the whole media player is dead. it wont play any videos; Plus even the music player is not working.

3. the previous decoder works fine. after i found this problem i have uninstal your app. but it stil **** up my device.

Man what have you done!!!!! please give me some solutions!