cant import mpeg-2 files in premiere cs6

hi there,i just installed adobe master collection cs6 and i cant import mpeg-2 files. premiere has this error : there was an error decompressing audio or video.i already installed any codecs i could but it doesnt work anyway.my windows is 7 64-bit. please help me. its kind of emergency.thank you.

via Video Editing Forums: Digital Director – Adobe Premiere, Premiere Elements, and After Effects http://www.videoforums.co.uk/adobe-premiere-premiere-elements-after-effects/43829-cant-import-mpeg-2-files-premiere-cs6.html