Hi

I'v been using vobsub for a long time to rip subtitles from dvd's, works very well untill a few days ago.
Everytime I try to rip subtitles with it now, after a short time it just freeze my computer and I can't do anything at all, I have to shut off the power and turn it back on again.
It happends everytime I try now

Has anyone experienced something like this?
What could be the cause?
What can I do to fix it?

Hope to get some answers

-IronmonkY