gada , according to your processor being ATJ2091, your firmware would likely be the 9.0.xx series.
There are some 9.0.43 in the downloads section, have a search and try all of them.
Also, there is another list of 9.0.48 firmwares provided by tadad1 here
http://www.mympxplayer.org/some-9048...ds-vt2895.html
Take a look in the cd that came with your player, some cds have the firmware file included.