Googling the legality of this doesn't seem to give the results of any trial involving "fair use", but almost all the links say that while 'fair use' should apply, you are still in violation of the DMCA.
There should be absolutely no privileges problems with the dvd drive when trying to rip it, so if you are getting that, there is a high chance you are completely going about it the wrong way. And you should not even be attempting to write to a stamped dvd movie.
I'm not sure why you are so insistent you get help on this from us though. You came here asked about this and got a quick reply basically saying its a violation of the board rules to discuss doing things that are illegal.
So what I would have done is read that, decided this isn't the place to ask that type of question, and then I would have googled about how to rip a dvd.
If the 2 main pieces of software people use on Windows don't do it for that particular movie then people have probably talked about it online. So you could google the movie name and ripping.
There are at least 4 ways to rip a dvd in Windows through the use of freely available software.