andy_267, The problems you discribe are consistant with some of the symptoms of a hacked memory chip. Your player may in fact have only 1GB of memory. Try using lattesurf's guide to removing memory hack, your chip will then read it's true size of 1GB but you will have no file problems.
http://www.mympxplayer.org/how-to-re...ck-vt2400.html