CloneDVD Problem Please HELP!

[Kathy]

Hi everyone,
This is my first post so I'll apolagise now for any stuff-ups I'm about to make.
I have been using clonedvd with anydvd without any problems for a couple of weeks now. Everything went wrong when I downloaded dvdshrink and nero,I know they don't get on together so I got rid of nero & shrink.
Now every time I try to copy a dvd with clone it shows This OD:\VIDEO-TS?VTS-01-2.VOB:23:readerrorTCE. It even does this on dvd's that it previously had no problem with. I have uninstalled clone and reinstalled latest version still the same problem. Any ideas would be much apprieciated.