ISO Is Corrupted| How to Fix a Corrupted ISO Files in Windows 11/10

Wonder what to do if your ISO is corrupted? If not, you will see how to fix a corrupted ISO file in this article. Our article presents five simple fixes that can help you make your corrupted ISO file work again in Windows 11/10.

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Updated by Jean on Sep 22, 2022

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Workable Solutions Step-by-step Troubleshooting
Fix 1. Repair third-party programs From the list and click on the Repair button...Full steps
Fix 2. Uninstall third-party programs From the list and click on Uninstall button...Full steps
Fix 3. Repair with SFC Press Windows + R and type cmd in the Run...Full steps
Fix 4. Repair with DISM Run DISM /Online /Cleanup-Image /CheckHealth...Full steps
Fix 5. Redownload ISO Go to the same source where you downloaded...Full steps

***Download EaseUS free backup software to selectively create a significant backup of photos, documents, videos, a whole disk/partition, and most of all, your operating system when you experienced ISO corruption issues. Only backups can ensure a safe move to any kind of Windows troubleshooting. Be active to follow our advice here to fix a corrupted ISO file in Windows 11 or 10.

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Why Is a Disk Image File (ISO) Corrupted?

iso is corrupted sreenshot

ISO file is a great way to compress different files and transfer them to other computers. Windows 11/10 has built-in tools that can help you work with ISO files without needing any additional software. But, what is an ISO file? Let's find out!

All About ISO File

ISO files are also known as Disk images or ISO image files. They are compressed archive files that contain different kinds of data. You can use an ISO file to keep a copy of your optical disk or compress large data for transferring purposes.

The words ISO came from the file system of optical disks. The Optical media ran ISO 9660 file system. Therefore, in simple terms, an ISO file holds data inside them just like an optical CD/DVD holds inside them.

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Reasons Why ISO File Gets Corrupt

These are some of the common reasons through which your ISO file can get corrupt in Windows 11/10. Let's see them below:

  • Problem with mounting software: Different ISO file image mounting software is available. A problem with this third-party software can also cause your ISO file to get corrupted.
  • The issue with system files: If your system files are corrupt, your ISO file can also get corrupt.
  • Viruses or Malware: A virus or malware can also corrupt your ISO file on your computer.
  • Incomplete Windows 11 or Windows 10 ISO file download

How to Fix a Corrupted ISO File in Windows 11 or 10

The previous section helped you understand an ISO file and why it gets corrupted. But, you can fix the problem by following the below solutions.

Fix 1. Repair the Third-party Application

In Windows 11/10, you may be using any third-party application software to unmount the ISO image file. Sometimes, your third-party tool can be problematic. Therefore, you need to repair it by following the steps below:

Step 1: Open Control Panel on your Windows computer through Search.

Step 2: Open Programs and features.

control panel programs and features

Step 3: Find your third-party program from the installed software list and click on the Repair button.

control panel repair tool

After that, follow the instructions shown and proceed with the repair process. Once repaired, restart your computer, and check if it resolves the issue or not.

Fix 2. Uninstall the Third-party Application

If repairing the third-party application does not resolve the issue, you need to uninstall it. Follow the below steps to uninstall the third-party application from your Windows 11/10 computer.

Step 1: Open Control Panel

Step 2: Open Programs and features.

control panel programs and features

Step 3: Find your third-party program from the installed software list and click on Uninstall button.

uninstalling third party tool

Once you click on the Uninstall button, you will be able to remove the third-party application from your computer. After removing it, try mounting the ISO.

Fix 3. Repair with System File Checker

A corrupt System file is one of why your ISO file gets corrupt. Therefore, you need to fix that. Follow the below steps to repair with the System file checker.

Step 1: Press Windows + R and type cmd in the Run window to open CMD.

Step 2: Enter the command sfc /scannow

running sfc command

Step 3: Press enter, and the command will run the System File Checker.

System File Checker will take some time to find and fix errors from your computer.

Step 4: Restart your computer.

Step 5: Try rerunning your ISO file and see if the issue is resolved.

Fix 4. Repair with DISM Command

DISM command can also help to repair and fix your ISO file. Follow the below steps to repair with the DISM command.

Step 1: Open CMD.

Step 2: Run the following commands in the order given below

  1. DISM /Online /Cleanup-Image /CheckHealth
  2. DISM /Online /Cleanup-Image /ScanHealth
  3. DISM /Online /Cleanup-Image /RestoreHealth

After entering each command, press enters and wait until it completes its operation. Using DISM can take up to 30 minutes. So, after the process is complete, rerun it, and your ISO issue will no longer exist.

Fix 5. Redownload an ISO File

If none of the above solutions have worked for you, it's time to redownload your ISO file. Go to the same source where you downloaded the ISO file and redownload it.

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Necessary: Create Backups Before Clean Install Windows 11/10/7 with ISO

Mostly, the Windows setup file is in ISO format. So, when you are about to clean install Windows 11/10/7 with ISO, it's best to create a backup of your computer.

Importance of Backup

Creating a backup before a clean install has tons of benefits. Let's see some of them below:

  • Restore files: You can restore all your applications and files after a clean install if you create a backup.
  • Redo changes: Any changes made after a clean install can be undone using a backup.
  • Data security: You will not lose any data. It can help you recover the data back any time through your backup.
  • Transfer data: If you wish to exchange data between computers, you can do it with backup.

EaseUS Todo Backup

It isn't accessible to backup data without any automated software. The most recommended software for this purpose is EaseUS Todo Backup software.

EaseUS Todo Backup is a free backup software tool that can help you create a backup of all your files. So, before you clean install Windows with ISO file, create a backup of your disk/partition, OS, or any data using this software.

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Follow the below steps to create a backup using EaseUS Todo Backup software:

Step 1. Open EaseUS Todo Backup and choose "Create Backup" on the home page, click "Select backup contents".

create disk backup step1

Step 2. As you want to back up your Disk, just click "Disk" to start back up.

create disk backup step2

Step 3. EaseUS Todo Backup offers you options. You can choose to back up a whole disk or a certain partition as you need. And then click "OK".

disk partition backup

Step 4.  Select the destination where you want to save the backup. You can choose to save the disk to a local drive or to NAS.

Disk backup step5

Step 5. Click "Backup Now", after the backup process is completed, you can right-click any one of the tasks to further manage your backup such as recover it, create an incremental backup, etc.

Disk backup step6

People Also Ask

1. How can I open an ISO file?

In Windows 11/10, you can use the in-built tools to open an ISO disk image file. Also, third-party tools like PowerISO, Daemon tools, and many others can help you open an ISO file.

If you do not have a Windows option or any other third-party tool, you will not be able to unmount or open your ISO file.

2. How do I know if my ISO file is corrupted?

While unmounting or opening your ISO file image, you will see an error message indicating, "The disc image file is corrupted." When such an error appears, that means your ISO file is corrupted. Also, if your computer cannot unmount your ISO file entirely, it can be corrupt.

But, nothing to worry about, as you can use the methods mentioned in this article to fix your corrupt ISO file.

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Updated by Jean

Jean has been writing tech articles since she was graduated from university. She has been part of the EaseUS team for over 5 years. Her special focuses are data recovery, disk partitioning, data space optimization, data backup and Mac OS. By the way, she's an aviation fan!

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