adobe encore the software that's used to decode the media is not available on this system. installing the correct decoders for the file you are working with may help correct the problem

Hi,

  I got this message after importing about ten or so H.264 files that I encoded from Adobe media encoder.  "adobe encore the software that's used to decode the media is not available on this system. installing the correct decoders for the file you are working with may help correct the problem."

The files we're shot with HD cameras.  Edited in Premiere Pro CS3.  I installed the update 3.0.1 with still the same error.

I also tried a brand new project and after about ten or so files being imported into a timeline, the system crash.  I tried this twice....

    Thanks in Advance