Have problem in windows 7 - movies not displaying? -

have problem in windows 7 - movies not displaying in any software like wma or vlc or Km or real player. my pc modal is intel 4 1gbram 128 mb graphic card. any one can help me to display movies in my pc. Even some software like nokia pc suit also not able to install. even i have tried to made pc suit in compatable mode of xp2 after that also i cannot able to install any one give me idea.

check whether all the drivers have been properly installed...especially audio,video ones

u probably don t hav the codecs installed try to download this http://www.divx.com/