title almost says it all, i have several hundred dvd- r disks which were burned with maybe nero and roxio. Most of them state under properties RAW.,whiles others will give a loud clang and state that E(DRIVE) is incorrect function. I have seen this problem on many sites and no one seems to have the correct answer. Can anyone suggest a program ;free of course that will read them? I may have to reinstall my windows xp or reconfigure some system files. Help and hurry !! Also many of my fotis dvd rewritable disks won't read while some of them say cdfs. Maybe i burned them using the wrong format. Maybe 1.2 or 2,50 not really sure. I removed roxio; so can't be sure what to do. This has been a problem for several years now please help !many are memorex, but i have tried using another machine with the same results.
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