Without being too patronising, it's not just a partitioned disk is it?
If not, go into the C: drive or whatever and right click>properties on a few of the folders in there and see what you come up with.
That's good because he seemed to be really off the pace earlier. I think he was struggling to get a good clean lap without running into a Virgin or Hispania almost going backwards!
PVA is basically wood glue- the stuff you used to use in primary school that starts out white and dries clear but is fun to play with as it dries into a sticky blob. It's actually Polyvinyl Acetate but would be readily available from a hardware store. Petrol is what you weird people over the pond call 'gas' or 'gasoline'. It's what the majority of cars run on.
I tried to do a plastic cover on my motorbike but the finish was fairly crap so I ended up taking it off again and painting. On flat surfaces I'm sure it's fine but on intricate details and corners I really struggled to get it to sit right.