Last night Plex media player for windows 7 64bit stopped working its just spiining the load bar when I start some video?

Plex Players Desktop Players
18

Check this thread, I had the same problem and had to roll back to an older version of PMS.

And yes, some of us still use older laptops that run Win7 and are perfectly adequate to run PMP for the sole purpose of listening to music.

I’m still running 1.22.3.4392 on my server for this very reason.