Mozilla can't open files from lacal drive (system hard drive)

James, come on now...this bug has no summary, no details as to what exactly you were doing, no mention of build number you used. You MUST read this doc (second request from me James...beppe has also asked you to read: http://www.mozilla.org/quality/bug-writing-guidelines.html If you don't give us more info and fill out bugs properly, we cannot help you.