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  3. need help copying from DVD - CRC errors prevent full copy.

need help copying from DVD - CRC errors prevent full copy.

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  • J Jesse Evans

    I'm trying to pull some family videos off a friend's DVD (which was burned from some videotape) and I keep getting copy errors. If I just drag the file to my desktop, an error message says "Invalid MS-DOS function". Then I remembered xcopy, which has an option to ignore errors. Well it doesn't ignore all of them, so I'm still stumped. Anyone know of a copy solution that will truly ignore CRC errors? The funny thing is that the DVD plays just fine in a consumer DVD player; it just can't be read by a PC drive (I've tried five different drives so far...).

    'til next we type... HAVE FUN!! -- Jesse

    L Offline
    L Offline
    Lost User
    wrote on last edited by
    #6

    It's a copy protection trick - PCs do read ahead so unused sectors are created with CRC errors to trip up the drive. Try DvdShrink or AnyDVD.

    Join the cool kids - Come fold with us[^]

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    • J Jesse Evans

      I'm trying to pull some family videos off a friend's DVD (which was burned from some videotape) and I keep getting copy errors. If I just drag the file to my desktop, an error message says "Invalid MS-DOS function". Then I remembered xcopy, which has an option to ignore errors. Well it doesn't ignore all of them, so I'm still stumped. Anyone know of a copy solution that will truly ignore CRC errors? The funny thing is that the DVD plays just fine in a consumer DVD player; it just can't be read by a PC drive (I've tried five different drives so far...).

      'til next we type... HAVE FUN!! -- Jesse

      S Offline
      S Offline
      supercat9
      wrote on last edited by
      #7

      Is it DVD+R or DVD-R? I've found that DVD-R and DVD-RW disks seem to work okay, but DVD+R disks were nothing but trouble in PC's even though they work fine in many players.

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      • J Jesse Evans

        I'm trying to pull some family videos off a friend's DVD (which was burned from some videotape) and I keep getting copy errors. If I just drag the file to my desktop, an error message says "Invalid MS-DOS function". Then I remembered xcopy, which has an option to ignore errors. Well it doesn't ignore all of them, so I'm still stumped. Anyone know of a copy solution that will truly ignore CRC errors? The funny thing is that the DVD plays just fine in a consumer DVD player; it just can't be read by a PC drive (I've tried five different drives so far...).

        'til next we type... HAVE FUN!! -- Jesse

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        A Offline
        ARon_
        wrote on last edited by
        #8

        I rip my DVDs with DVDFab.HD Decrypter(it is free) and then convert them in to .mp4 files with handbrake. The DVDFab will create a iso or folder copy of your DVD (encrypted or not). Either can be copied to another DVD. Handbrake will make it smaller. All of my DVDs and home movies are on a hard drive plugged into my PS3. I can watch anything I got in seconds and I can write the .mp4 back to DVD relatively easily.

        ARon

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        • J Jesse Evans

          I'm trying to pull some family videos off a friend's DVD (which was burned from some videotape) and I keep getting copy errors. If I just drag the file to my desktop, an error message says "Invalid MS-DOS function". Then I remembered xcopy, which has an option to ignore errors. Well it doesn't ignore all of them, so I'm still stumped. Anyone know of a copy solution that will truly ignore CRC errors? The funny thing is that the DVD plays just fine in a consumer DVD player; it just can't be read by a PC drive (I've tried five different drives so far...).

          'til next we type... HAVE FUN!! -- Jesse

          L Offline
          L Offline
          Lost User
          wrote on last edited by
          #9

          Reading through you post (unlike most who have replied below) I can see that it was burned from video tape so there is little to no chance of there being copy protection on the disk. The CRC errors are more than likely from scratches or degradation of the physical media. What you want is IsoBuster[^], absolutely kick-arse, bought the registered version years ago and still getting updates. It was purpose built to pull data from damaged optical media. Go and download it, it works in freeware mode and as you would expect get the advanced features when registered. Can't remeber all these years later what the extras are though.

          Michael Martin Australia "I controlled my laughter and simple said "No,I am very busy,so I can't write any code for you". The moment they heard this all the smiling face turned into a sad looking face and one of them farted. So I had to leave the place as soon as possible." - Mr.Prakash One Fine Saturday. 24/04/2004

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          • L Lost User

            Reading through you post (unlike most who have replied below) I can see that it was burned from video tape so there is little to no chance of there being copy protection on the disk. The CRC errors are more than likely from scratches or degradation of the physical media. What you want is IsoBuster[^], absolutely kick-arse, bought the registered version years ago and still getting updates. It was purpose built to pull data from damaged optical media. Go and download it, it works in freeware mode and as you would expect get the advanced features when registered. Can't remeber all these years later what the extras are though.

            Michael Martin Australia "I controlled my laughter and simple said "No,I am very busy,so I can't write any code for you". The moment they heard this all the smiling face turned into a sad looking face and one of them farted. So I had to leave the place as soon as possible." - Mr.Prakash One Fine Saturday. 24/04/2004

            D Offline
            D Offline
            DABBee
            wrote on last edited by
            #10

            Absolutely spot on. I have used this successfully in the past. Buy it and be the envy of your peers.

            Candy: Here's the plan: we changes our names, move to a distant island, and disguise ourselves as a family of traveling donkey polishers.

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            • J Jesse Evans

              I'm trying to pull some family videos off a friend's DVD (which was burned from some videotape) and I keep getting copy errors. If I just drag the file to my desktop, an error message says "Invalid MS-DOS function". Then I remembered xcopy, which has an option to ignore errors. Well it doesn't ignore all of them, so I'm still stumped. Anyone know of a copy solution that will truly ignore CRC errors? The funny thing is that the DVD plays just fine in a consumer DVD player; it just can't be read by a PC drive (I've tried five different drives so far...).

              'til next we type... HAVE FUN!! -- Jesse

              C Offline
              C Offline
              CaptainSeeSharp
              wrote on last edited by
              #11

              CloneDVD can deal with the errors, though you may still get the errors, it can deal with them.

              Watch the Fall of the Republic (High Quality 2:24:19)[^] Sons Of Liberty - Free Album (They sound very much like Metallica, great lyrics too)[^] "/I habe an educatiomn a title and a meddal" - Dalek Dave, March 4, 2010 "...I am not that good" - Dalek Dave, March 4, 2010

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              • J Jesse Evans

                I'm trying to pull some family videos off a friend's DVD (which was burned from some videotape) and I keep getting copy errors. If I just drag the file to my desktop, an error message says "Invalid MS-DOS function". Then I remembered xcopy, which has an option to ignore errors. Well it doesn't ignore all of them, so I'm still stumped. Anyone know of a copy solution that will truly ignore CRC errors? The funny thing is that the DVD plays just fine in a consumer DVD player; it just can't be read by a PC drive (I've tried five different drives so far...).

                'til next we type... HAVE FUN!! -- Jesse

                N Offline
                N Offline
                Nish Nishant
                wrote on last edited by
                #12

                Hey Jesse, If Michael Martin's excellent reply does not help you, then there's a fool proof way of copying the video to a DVD. Get an external TV tuner card, connect your old DVD player to it, play the DVD, and record directly to your hard drive (you can use Windows Media Center to do that). It will create a loss-less dvr-ms file for you that you can burn to a DVD.

                Regards, Nish


                Nish’s thoughts on MFC, C++/CLI and .NET (my blog)
                My latest book : C++/CLI in Action / Amazon.com link

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                • N Nish Nishant

                  Hey Jesse, If Michael Martin's excellent reply does not help you, then there's a fool proof way of copying the video to a DVD. Get an external TV tuner card, connect your old DVD player to it, play the DVD, and record directly to your hard drive (you can use Windows Media Center to do that). It will create a loss-less dvr-ms file for you that you can burn to a DVD.

                  Regards, Nish


                  Nish’s thoughts on MFC, C++/CLI and .NET (my blog)
                  My latest book : C++/CLI in Action / Amazon.com link

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                  A Offline
                  AspDotNetDev
                  wrote on last edited by
                  #13

                  Nishant Sivakumar wrote:

                  you can use Windows Media Center to do that

                  Or Windows Media Encoder.

                  [Forum Guidelines]

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                  • J Jesse Evans

                    I'm trying to pull some family videos off a friend's DVD (which was burned from some videotape) and I keep getting copy errors. If I just drag the file to my desktop, an error message says "Invalid MS-DOS function". Then I remembered xcopy, which has an option to ignore errors. Well it doesn't ignore all of them, so I'm still stumped. Anyone know of a copy solution that will truly ignore CRC errors? The funny thing is that the DVD plays just fine in a consumer DVD player; it just can't be read by a PC drive (I've tried five different drives so far...).

                    'til next we type... HAVE FUN!! -- Jesse

                    M Offline
                    M Offline
                    mjsmithson
                    wrote on last edited by
                    #14

                    Isopuzzle does a pretty good job of recovering data from damaged discs. It works well with multiple drives - it builds up the image to form the complete iso.

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                    • L Lost User

                      It's a copy protection trick - PCs do read ahead so unused sectors are created with CRC errors to trip up the drive. Try DvdShrink or AnyDVD.

                      Join the cool kids - Come fold with us[^]

                      L Offline
                      L Offline
                      Lost User
                      wrote on last edited by
                      #15

                      That is very interesting.

                      Morality is indistinguishable from social proscription

                      L 1 Reply Last reply
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                      • L Lost User

                        That is very interesting.

                        Morality is indistinguishable from social proscription

                        L Offline
                        L Offline
                        Lost User
                        wrote on last edited by
                        #16

                        DVD player manufacturers have libraries of problematic discs and you will find some cheap players don't play all discs because of the protection tricks.

                        Join the cool kids - Come fold with us[^]

                        1 Reply Last reply
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                        • J Jesse Evans

                          I'm trying to pull some family videos off a friend's DVD (which was burned from some videotape) and I keep getting copy errors. If I just drag the file to my desktop, an error message says "Invalid MS-DOS function". Then I remembered xcopy, which has an option to ignore errors. Well it doesn't ignore all of them, so I'm still stumped. Anyone know of a copy solution that will truly ignore CRC errors? The funny thing is that the DVD plays just fine in a consumer DVD player; it just can't be read by a PC drive (I've tried five different drives so far...).

                          'til next we type... HAVE FUN!! -- Jesse

                          J Offline
                          J Offline
                          Jesse Evans
                          wrote on last edited by
                          #17

                          Well, once again CP has been a great resource for problem solving. I was able to get the video off the DVD and onto my PC using a program call jfilerecovery. (www.jfilerecovery.com[^]) It was a bit slow but it worked. Thanks again, folks!

                          'til next we type... HAVE FUN!! -- Jesse

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