Video Freeze but audio is fine ( I am new to adobe )

I got Premiere Pro CC to hopefully replace my old editor software and the problem I am having is when I import a video then hit the play button the video preview is freeze one the 1st frame but the audio play fine so I need help In sorting this problem out.

The Video file is an mp4 file.

I have already tried updating my Nvidia card no change

I'm using Windows 10 home.

32gb of ram

Nvidia GeForce GTX 780 Ti

and AMD A10-6800k Processors

the version installed is 12.1.1 (build 10)

If you need more info just ask and I try and provide it as soon as I can.

P.S. sorry if I post this in the wrong place if so please move it to where it can help me and others thanks