Easiest Way To Fix Loopback Error With DVD Rips


You should read these troubleshooting tips if your computer displays an error message regarding looping DVD copies.

You can do this in Windows while playing a disc, or in any number of programs, including DVD Shrink. … possible causes include a scratched or damaged disc, a defective optical drive, or the result of trying to back up a copy-protected disc.



Updated by Donna Peng – Contact the author

If DVD Shrink stops with CRC error due to copy protection, click here: Our Most Recommended Solution [85%]

Reasons And Solutions For CRC (DVD Data Compression Error)

We have noticed that many DVD Shrink users face CRC error when trying to decrypt protected DVD. This often happens with a few percent in the encoding process and then fails with a CRC error: “DVD Shrink encountered an error and cannot continue. File read error “D: ” Data error (check cyclic redundancy) “.

DVD Shrink detects CRC error while ripping DVD

CRC is short for Cyclic Redundancy Check. DVD Shrink will display CRC error if DVD cannot be read. To fix the CRC error in DVD Shrink, we first need to find out why DVD Shrink cannot play DVD. One of the reasons for the CRC error is that DVD Shrink does not support DVD copy protection. In this case, you need to rip the copy protected DVD with another ripper. More about prRead on for ins and solutions.

Why Can’t DVD Shrink Read Some DVDs And Display CRC Error?

Here are the possible causes of the CRC error.

  • 1. The DVD player is defective. If your DVD drive contains a faulty component, the drive will not be able to play the DVD normally, which will prevent programs from processing the disc.
  • 2. The DVD is dirty. If your hands are dirty on the discs, or if you expose the disc to dust, it will be too dirty to play properly.
  • 3. The disc is scratched or damaged. The disc is very fragile and easily scratched. Scratches affect data and make the DVD unreadable.
  • 4. DVD quality is poor. If DVD Shrink shows a CRC error when ripping a DIY DVD that is not dirty or scratched, it could be because it was burned to a cheap, low-quality disc.
  • 5. DVD contains copy protection which DVD Shrink cannot handle. The official DVD Shrink support page states: “Since DVD Shrink was discontinued in 2005,The current copy protection systems that can show up in these errors / error messages cannot be bypassed. ” We found that one of the errors is data redundancy check (CRC) errors. The CRC error may have something to do with DVD copy protection.
  • Now that we have identified the possible causes, we can summarize the following solutions to fix CRC errors in DVD Shrink. It also fixes for the cyclic redundancy check bug on AnyDVD / CloneDVD / CloneDVD Mobile.

    Fix CRC Error When Removing DVD – Solution 1. Check your DVD drive and try another one if necessary.

    If DVD Shrink fails to rip DVD with CRC error, you can eject DVD from optical drive and insert other DVDs to check if CRC error persists. If the problem occurs every time you try to create a backup, your DVD drive may be to blame, and a new drive may be the solution.

    Fix DVD Compression CRC Error – Solution 2. Clean DVD if dirty.

    If you see prints pIf there is any dirt, smudges and dust on the surface of the DVD, clean it to remove the CRC error in DVD Shrink. If there is only dust on the disc, you can wipe it off with a soft cloth or microfiber cloth. If there are fingerprints or other oily residues, you can mix alcohol and water in a 1: 1 ratio to clean it. Be sure to start from the center of the disc and brush straight to the edge to avoid scratches.

    Fix CRC Error When Removing DVD – Solution 3. Recover scratched DVD.

    If the scratches are on the shiny top of the disc, you probably won’t be able to fix them. If the scratches are on the plastic underside of the disc, buffing and polishing can help you fix them. But before trying to repair your scratched DVD, we recommend copying the damaged DVD in case the DVD gets damaged during the repair. Some alternatives to DVD compression such as WinX DVD Ripper Platinum can be more gentle and can handle scratched discs.

    Fix DVD Compression CRC Error – Solution 4. Copycopy-protected DVD with another ripper.

    If the DVD drive and DVD drive are ok, the CRC error is most likely due to a specific DVD copy protection system that DVD Shrink cannot handle. DVD Shrink hasn’t been updated in years, so it’s no surprise that some newly encrypted DVDs can’t be copied. To fix CRC error caused by encryption, you should try to rip protected DVDs with another slide-out DVD ripper. WinX DVD Ripper Platinum is the most powerful DVD ripper capable of bypassing all region codes (1 to 6) and various copy protection systems such as CSS, RCE, Sony ArccOS, UoPs and Disney X-Project DRM.

    WinX DVD Ripper Platinum – Rip Encrypted DVD Without CRC Errors

    • In addition to homemade DVDs, you can easily copy commercially available copy-protected DVDs.
    • Can also copy scratched or damaged DVDs.
    • More than 350 presets: MP4, AVI, WMV, MOV, iPhone, iPad, Android phones, game consoles, etc.
    • 1: 1 Backup DVD: copy DVD to VIDEO_TS folder, copy DVDto the ISO image.
    • Allow users to use hardware acceleration from Intel QSV and NVIDIA CUDA / NVENC.
    • Set the output quality to the original with a high quality engine and deinterlacing.

    Download WinX DVD Ripper Platinum for Windows to Bypass CRC Errors

    Download WinX DVD Ripper for Mac to Bypass CRC Errors

    dvd rip cyclic redundancy error

    >> Windows and Mac only. If you are a mobile user, click here.

    Read the DVD ripping guide below and you will find WinX DVD Ripper is easy to use.

    Step 1. Assuming you have the destination DVD in your DVD drive, all you need to do is open WinX DVD Ripper Platinum and click the DVD Disc button in the upper left corner of the main interface to select your source DVD … …

    Copy encrypted DVD without CRC error.

    Step 2. In the Output Profile pop-up window, select the format you want.

    Step 3. Press RUN, WinX will do the rest for you. 100% encoding is done without CRC error.

    Disclaimer: Digiarty Software does not recommend copying commercial DVDs outsideFor horse purposes. It is recommended that you check the DVD copyright laws in your country in advance.

    Cause 1: The Optical Drive Is Not Working Properly

    If your computer’s DVD drive is not working as expected, it causes a DVD Shrink CRC error. Insert other DVDs into your DVD drive and play them on your computer to see if this is the source of the problem. If these discs are reading correctly, go to the next reason. You may need to get your optical drive repaired.

    Try To Recover The File

    “type =” image / webp ” > “>

    If the problem is in the file itself, let’s first make a copy as much as possible. This keeps the copy in a state where the situation cannot get worse. Some data in the file may be lost, but you should copy as much of it as possible before proceeding with further recovery steps.

    We want to copy the file to another hard drive againdisk. This is best done through the command line.

    CD “C: Users lnote Documents Outlook files ”

    xcopy / c Outlook.pst D:

    (Replace my approximate location with yours and drive “D:” with the drive letter assigned to the other drive you are copying the file to.)

    There are two important things to keep in mind: we used the xcopy command (for extended copy) and added a “/ c” switch that keeps copying even in case of errors. As you already learned, the default behavior for both COPs is



    How do I copy a file with cyclic redundancy error?

    If you get a “Data error (cyclic redundancy check)” error while copying files to disk, don’t worry about losing your data….Just follow these steps:Run Command Prompt as Administrator.Enter “chkdsk / f x:”. …Then press ENTER. …Restart your computer.

    What does cyclic redundancy check error mean?

    If you get a “Data error (cyclic redundancy check)” error when copying files to your hard drive, don’t worry about losing your data….Just follow these steps:Run Command Prompt as Administrator.Enter “chkdsk / f x:”. …Then press ENTER. …Reboot your computer.

    How do I check my CRC error?

    The CRC-7 algorithm looks like this:First, express your 8-bit CRC-7 polynomial and your message in the LSB. …Add 7 zeros at the end of the message.Write your CRC-7 polynomial below the message so that the least significant bit of your polynomial is directly below the least significant bit of your message.More Articles …