I realize that this has been covered in past threads but I am not sure how to dig those up, so I figured I would just ask here. I loaded Premiere Pro CS4 on my brand new laptop Windows Vista 32bit and when I go through the Adobe Classroom in a Book lessons the video playback is not working, but I can hear the voices...not sure why. Also when the videos that are imported into the project I can see that there is proper video but when I try to play it back, I have no luck. Even the fast preview that you can use under the Project tab is not playing. Like I said, I can hear the sound of the video fine but as to the play back no video. I have checked and my Quicktime is the newest version and my Premiere Pro CS4 is completely updated to the latest version...any help here would be appreciated.
So I think I have resolved this...I went back and loaded an older driver and it all seemed to work fine. Sorry to post this.