Install Real Alternative (which allows WMP to play RM/RMVB files) and then run a reg hack so that you can see the files in MCE.
shipdriver
Kit: ThermalTake Tsunami Dream case, Intel 670 3.8Ghz CPU, Intel 915GEV mobo, 2GB DDR2-400 RAM, MSI RX800 256MB, 1x40GB WD SATA HDD, 1x250GB Maxtor SATA HDD, Lite-On SOHW-1693S ODD, ATI HDTV Wonder, Hauppauge WinTV-PVR-500MCE, Terratec Aureon 7.1 Space.
without going into the reg to look yet, are these changes or add-ins?
tia