Weird colours after installing K-lite code package..or not...

I have trouble viewing DVDrip and mp4 files after installing KliteCode mega pack "klmcodec414", it shows weird colours when i play both files, but others video format works fine...not sure if its caused by k-lite or.....When i decelerate my graphic driver to minimum, colours appears to be back to normal, but its lagging. Not only have those weird colours experienced using WMP, VLC and RealPlayer classic does the same and for MP4 files it have always been a problem playing them perfectly sometimes as it always appears a yellowish line on the left side of the video. Anyone have a solution for this?

I reinstalled and problem persist...any solutions?

Thanks inadvance