Eliminate “The next disk photos couldn’t be opened” warning

Typically, I must obtain an app from an unbiased developer or every other device that, for no matter motive, just isn’t provided within the App Retailer. In such a case, the app will be provided as a compressed disk picture. The vast majority of the time, this works flawlessly for me. However sometimes, I can see the error message “The next disk photos couldn’t be opened.” The commonest causes are that the disc picture file is corrupted, disk picture not acknowledged, or there are not any mountable file techniques.

If you wish to know what to do to eliminate the error, my information is for you.

What’s a disk picture on Mac?

Mac makes use of a particular picture file format referred to as a disk picture (dmg), which acts like a digital disk. It really works similar to a bodily drive, letting you mount it in Finder, drag information and folders to it, and even create copies. You’ll be able to open them the identical method you’d a daily disk. Plus, the Disk Utility app enables you to verify them out and make your personal disk photos.

Disk picture information are nonetheless tremendous in style. That is primarily as a result of they let builders management how their software program seems once you open the picture. For instance, in case you’ve downloaded an app that asks you to maneuver its file into the Purposes folder and create a shortcut to that folder, a disk picture is what makes that attainable.

Step-by-step information to repair “The next disk photos couldn’t be opened”

In the event you’re making an attempt to launch a disk picture on a Mac however obtain a warning message, think about the next strategies to eliminate the issue. 

Step 1 — Re-download the disk picture

Opening disk picture file is unimaginable if it’s corrupted. The corruption could occur in the course of the obtain due to the unstable community, a malware assault, or different interference. So earlier than re-downloading the disk picture, you must verify your community. After you have the file, double-click it to see if it could possibly now be launched.

Additionally, take a look at find out how to extract knowledge from corrupted ZIP.

Step 2 — Confirm the disk picture with Disk Utility

Sadly, “The next disk photos couldn’t be opened” should seem once you try and open the disk picture, even in case you re-download it by way of a secure community. On this case, you must take into consideration whether or not your Mac’s problematic disk picture mounter is guilty. To confirm the disk picture, use Disk Utility.

Listed below are the steps to observe:

1. Press Command + Area > Seek for Disk Utility.
2. Click on Pictures within the menu bar, then select Confirm.
3. Discover the disk picture file within the folder the place it’s saved (as a rule, it’s the Downloads folder) > Click on Confirm.
4. Click on Finished after the verification process is full.

Step 3 — Repair Mac permissions and run upkeep scripts

When a disk picture doesn’t open, it’s attainable that your Mac is guilty reasonably than the disk picture itself. In your boot drive, information which have gathered over time could trigger conflicts and hinder the opening of disk photos or the right operation of software program. Fortuitously, there’s the CleanMyMac app that may help in resolving these points. It will probably run upkeep scripts for system optimization, repair disk permissions, and launch RAM.

Right here’s what you must do:

1. Set up and open CleanMyMac.
2. Then open the app, click on Efficiency from the left sidebar > Scan.
3. Click on Run Duties below X Upkeep Scripts Really useful.

As I’ve talked about, working upkeep scripts can repair many errors. Hopefully, as soon as the method is completed, you’ll discover that the “disk picture just isn’t opening” situation has been resolved.

Step 4 — What to do if the disk picture can’t be mounted?

In case your disk picture can’t be mounted, obtain the Disk Drill knowledge restoration app.

With its assist, you possibly can create a Mac disk picture (dmg) from any medium (disk, reminiscence card, and so on.). That is extremely sensible for future restoration, significantly if the disk you must use is failing.

You’ll be able to strive attaching the non-mountable disk picture with Disk Drill if the disk picture couldn’t be mounted (considered) in your Mac otherwise you’re receiving the “no mountable file techniques” warning. Right here’s the way you do this:

1. Select Connect Non-mountable Pictures from the File menu in Disk Drill.
2. Then choose the disk picture file by navigating to its location and clicking Connect. That’s it!

Extra importantly, Disk Drill’s newest model has further options like improved non-mountable DMG restoration. This neatly enhances macOS Sequoia’s Pressure Mount characteristic housed within the Disk Utility app.

Fixing “No mountable file techniques” in macOS Sonoma/Sequoia

In the event you encounter this message on macOS Sonoma or Sequoia:

1. Open Terminal ( Purposes > Utilities) and run this command: hdiutil connect -nomount disk.dmg. This stops macOS from auto-mounting it and allows you to examine the picture.
2. From the Terminal output, notice the disk identifier — it should look one thing like /dev/disk4.
3. Mount it manually: diskutil mountDisk /dev/disk4 > Exchange disk4 with the precise disk ID from the earlier step.

Frequent causes of “The next disk photos couldn’t be opened” error

There are lots of the reason why it’s possible you’ll obtain this error message, and these embody:

Corrupted or damaged downloads

It’s attainable to obtain a disk picture that was already defective, particularly in case you’re not getting it from the official web site. You might also not discover that your obtain broke halfway as a result of a disrupted web connection. This implies you find yourself with an incomplete file that may’t be opened.

macOS compatibility points

In case your disk picture encapsulates a software program setup file, this picture was seemingly made for particular macOS variations. This is the reason it’s possible you’ll obtain the error message in case you strive opening it on a macOS model launched sooner than the earliest model it helps.

Broken disk photos

This will occur if the disk picture is from a defective storage gadget, comparable to one with unhealthy sectors. Moreover, a picture saved on an exterior drive that ultimately will get such issues might additionally turn out to be onerous to learn.

Permission restrictions

Your Mac could fail to open a disk picture if configured to keep away from opening information from unrecognized sources. If the picture you’re making an attempt to open isn’t related to an official web site or app retailer obtain path, your Mac could not open it. Nonetheless, you possibly can change such settings and open disk photos out of your trusted sources.

The next disk photos couldn’t be opened: Resolved

You’ll be able to sometimes see the error like “The next disk photos couldn’t be opened” when opening a disk picture in your Mac. 

Whereas one of the efficient strategies is re-downloading the disk picture (you are able to do it with Folx to extend the obtain velocity), working upkeep scripts with the assistance of CleanMyMac received’t damage on this scenario as effectively. On high of that, I like to recommend you to make use of Disk Drill if the disk picture can’t be mounted (considered) in your Mac. 

These three apps will be downloaded from Setapp, a premium platform that unlocks entry to a number of Mac and iPhone instruments (250 and counting) for almost all the things Apple customers may wish. The very best factor is that every one apps are yours for a 7-day trial, with no advertisements and issues.