old version crashing, won't run vm

I've tried searching the forums, but I haven't had much luck.

I've installed parallels step by step, just like it says in the book and I do the quick set up of a vm. Parallels seems to run just fine, but when I try to turn on/run the vm a grey veil falls over my screen and a warning message pops up telling me to restart my computer. It looks just like this

http://forum.parallels.com/showthread.php?t=104635&highlight=parallels+PD6

I've tried uninstalling everything, and deleting and re-creating the vm, but nothing has had an effect.

Mac OS 10.5.8
Parallels Build 1848.2 (though I'm not sure which version, it's from 2006 at least)

any ideas?

 

I can't find build 1848.2 in the download links page. Maybe try the latest build of the version you have:
http://kb.parallels.com/en/5802