Had the same error, for me it was a bad CD ROM drive...could hear the drive having trouble spinning and the splash screen would show and then the OS denied access error would appear. Replaced the drive and all is well.
-- OpenCD doesn't work in Windows Vista ("The operating system denied access to the specified file.") https://launchpad.net/bugs/61575 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs