Failed to mount ISO image – fix error in Windows 10

Windows 10 includes among its tools its own built-in tool for mounting ISO files, which we can use through Explorer. However, this does not always work and this error may appear when using it. So today we are going to see what the possible causes might be and what solutions we can try to solve.

Failed to mount ISO image - fix error in Windows 10

Causes of the problem when mounting an ISO file in Windows 10

Although a tool to mount ISO files that includes Windows 10 is quite reliable, there can be various situations when the error “Sorry, there was a problem with the file connection” appears. This could be due to a bug related to the ISO file itself, which is already mounted or not configured as Read Only. It can also happen that the ISO file is locked, or the disk image controller is damaged, or the ISO image contains a sparse set of attributes. Other problems that can arise is that the motor letters or microSD card can interfere with the installation of the image.

Whatever the reason that is causing the error that prevents us from mounting the ISO files, we’ll move on to looking at the possible steps we can take to resolve it.

Correct the “Sorry, there was a problem with the file connection” error.

If we are having trouble mounting an ISO image using the built-in tool provided by Windows 10, try one of the following methods to solve them.

Check if the ISO is mounted

While this may not be difficult, it is possible that we are mistakenly trying to mount an ISO that is already mounted beforehand. Usually when we try to mount an ISO file that is already mounted, Windows 10 opens a connected folder, which in some cases may cause the “Sorry, there was a problem with the file connection” error.

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Therefore, the first step is to check if the ISO file is mounted. The mounted ISO files appear in the “This PC” section, which we can access from the “File Manager”. Here we can find the newly created disk, which may correspond to the image file that we are trying to mount, and this could be the cause of the error. If we want to unmount the image, just right click on the mounted image and then click “Extract”.

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Restart File Explorer

The first thing to try is to rule out that the explorer itself is the cause of the problem. Windows 10. To do this, it is best to restart it, which may help clear the error.

If we want to restart File Explorer, just open the Task Manager. To do this, we have to press the key combination “CTRL + ALT + DEL” or type “task manager” in the search box in the Start menu and execute it.

As soon as the Task Manager window appears, under the Processes tab we find the File Manager application. We right click on it and a small menu of options appears, among which we click Restart.

Reload the explorer Windows...

Check if ISO file is locked

If we downloaded our ISO image file from the Internet or received it from e-mail, it could be blocked Windows 10. If the operating system is not sure about the safety of a file, it can block this type of file using the file manager.

To check if a file is locked or unlocked, we have to find the folder containing the ISO image. Right click on the ISO file and a context menu will appear in which we have to select the “Properties” option.

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Propiedades archivo ISO Desbloquear

After opening we go to the General tab and at the bottom we find the Security icon section. Here we have to mark ” open “, And finally we will click the” Apply “button.

Remove third party ISO tools from the registry.

If we previously had third-party applications installed to mount remote ISO files, data about them may still be stored in the registry. To fix this problem, we have to clean up the registry entry that is associated with the ISO file association. It should be noted that the registry editor Windows is a rudimentary element, any unwanted variant of which can cause changes in the system, so we must use it with care and under the responsibility of each user.

To do this, we must enter the registry using the keyboard shortcut “Windows + R “, which will open the Run tool, and write regedit into it. Once this is done, we will move on to the next route.

HKEY CLASSES ROOT / ISO

In case we are convinced that there is a third-party issue that we removed and which is still related to the ISO extension, we should right-click on the default entry and replace it with the value ” Windows.IsoFile “. Once this is done, we confirm the changes, restart the computer and check if the problem is resolved.

Editor de registro desinstala herramientas ISO

Use Windows PowerShell

If we cannot access the ISO file through Explorer, this may be due to the so-called “sparse flag” problem, which is responsible for overlaying large sections of binary zeros on NTFS partitions. To remove indicator from ISO file we have to use the PowerShell tool.

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To do this, we have to write “powershell” in the search box of the start menu and run it as administrator. After opening we write

fsutil sparse setflag “C: /FilePathFileName.iso” 0

In case the path to the ISO file is not on the C drive, we have to change it to the corresponding drive.

PowerShell fixes ISO archive indicator

Use third-party software to mount ISO

If none of the possible solutions helped solve the problem, as a solution we can use a third-party application that helps us mount ISO files.

PowerISO

This powerful tool will help us to mount ISO files to an internal virtual disk, taking in the most commonly used image files like ISO, BIN, MDF, etc. It will also help us to open, extract, create, etc. edit, burn, compress, split and encrypt all types of content in ISO files. Its main drawback is that it is a paid application, a free trial version of which we can download from the site at this link.

PowerISO

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It is a burning software with support for CD, DVD and Blu-ray discs to create backups. It also allows us to store CDs as images and then mount them into one of 31 virtual drives that it allows us to create on our computer. It is an easy-to-use program as most of its processes are guided by wizards that guide us step by step. We can download the trial version from their Honest Sign website.

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