ISO files are used to store copies of CDs, DVDs, Blu-ray discs, software installations, operating systems, and backups. However, it can also become corrupted like other formats due to incomplete downloads, storage device failures, sudden system shutdowns, virus infections, or file transfer interruptions. When ISO file becomes inaccessible and damaged, users can’t mount file and access data.

In this write-up, we will describe the signs of corruption and techniques to fix corrupted ISO file manually and automatically. Please read the complete article first, and then choose the right approach based on your needs.

Table of Content
  1. Common Signs of a Corrupted ISO File
  2. How to Fix Corrupted ISO File?
  3. Method 1: Verify ISO File Integrity
  4. Method 2: Re-Download ISO File
  5. Method 3: Fix Corrupted ISO File by Repairing Disk Errors
  6. Method 4: Use System File Checker
  7. Method 5: Smart Solution to Repair Corrupted ISO File
  8. How Does Software Fix Corrupted ISO File?
  9. Top Notch Features of this Software
  10. Final Thought

Common Signs of a Corrupted ISO File

Before fixing damage disc image file, let’s look for the common symptoms:

  • Unable to mount ISO file on Windows.
  • Error messages such as “The disc image file is corrupted.”
  • Missing files and folders after extraction process.
  • CRC (Cyclic Redundancy Check) errors.
  • Extraction process freezes or application crashes.
  • Different ISO file size than source.

How to Fix Corrupted ISO File?

Generally, there is no manual method available to repair corrupted ISO file and extract data. But yes, we can follow some troubleshooting techniques to get original ISO file back. If Nothing works, then we have a smart solution, that can restore complete data from damage file into original formats to fix corrupted ISO file.

Method 1: Verify ISO File Integrity

If your file is downloaded from internet, then compare its checksum (MD5, SHA-1, or SHA-256) with the provided value by the source.

  1. Open Command Prompt.
  2. Use following command:
    certutil -hashfile filename.iso SHA256
  3. certutil -hashfile filename.ISO SHA256
  4. Now compare the generated hash value with checksum.

If value doesn’t match then your file is incomplete or completely damaged.

Method 2: Re-Download ISO File

This is another basic and simple step to fix corrupted ISO file. Sometimes issues occur during downloading process, so try to re-download your file.

Tips:

  • Use a stable internet connection.
  • Avoid pausing download process.
  • Verify checksums after downloading.

Method 3: Fix Corrupted ISO File by Repairing Disk Errors

  1. Sometimes storage device issues can make your ISO file damaged.
  2. Open Command Prompt as Administrator.
  3. And run:
    chkdsk X: /f /r
  4. Now replace X with drive that contains ISO file.
  5. Restart your machine if prompted.

Method 4: Use System File Checker

Damaged Windows system files can also prevent ISO file from mounting or extracting data properly.

  1. Open Command Prompt as Administrator.
  2. Now run:
    sfc /scannow
  3. Wait for the scan to complete, it will repair detected issues.

Method 5: Smart Solution to Repair Corrupted ISO File

Repairing ISO file is not always possible, especially when critical sectors are damaged. In such situation, you can use SysTools ISO Extractor Tool. This software helps to extract complete data from damaged file into healthy and original format to fix corrupted ISO file.

This software doesn’t repair corrupted ISO file; it just extracts complete data into original format. In case, you want data in ISO file only so you can create it again after safe extraction process. You can download the demo edition to preview ISO file data.

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How Does Software Fix Corrupted ISO File?

  1. Download software on your machine.

    software

  2. Use Open button to upload your ISO file.

    upload

  3. Navigate the path of your data file and use Open to upload it.

    path of your data file

  4. All your ISO file data will preview on the panel.

    preview

  5. Select required data from here.

    required data

  6. And choose Save button from the top to fix corrupted ISO file.

    fix corrupted iso file

  7. Finally, the software will extract complete data from affected ISO file.

    extract complete data

Top Notch Features of this Software

  • It allows users to preview complete information such as File Names, Paths, and Timestamps before extracting data.
  • This tool can handle any size of ISO file without crashing or lagging.
  • It can extract data into original format from affected ISO file.
  • It supports corrupted and damaged data files.
  • This software is compatible with ISO 9660 format.

Final Thought

This article has explained the ways to fix corrupted ISO file using manual troubleshooting and automated solution. We can re-download ISO file from the original source, cross verify file integrity, repair disc errors, etc. However, if nothing works then use smart solution to recover complete data from damaged file into healthy and original format. For any queries, you can connect with us through live chat support.