HELP! darned pissed off so if u get funny foul words i apologise in advance

Just d/led WMplayer9 cos my last one decided to disappear on its own... simply went missing for no reason i can think of. so i d/led the player, installed it and now it won't play naruto at all!!!! i reinstalled both DivX and Xvid formats but it still won't play...

help pls. 4\%^%$^%$@%$#@&%^%$@&^