- Status:Open
- Affects Version/s:2.1.5963-2.1.5969 (Stable)
- Component/s: None
- Labels:
- Environment:Mac OS 10.13.6, Java, Native Launcher version: 495
- Mac Unable To Start Minecraft If You Are Running From A Dmg
- Unable To Start Minecraft If You Are Running From A Dmg Mac Free
- Minecraft Updater Unable To Start Minecraft If You Are Running From A Dmg

On the minecraft download page, in the section for Minecraft for Mac OS X, there is an. Alternative download: Minecraftlegacy.dmg. I deleted the old Minecraft from Applications, then installed from Minecraftlegacy.dmg. (If you are using parental controls for appliances on your daughter's account, check those after the install). Minecraft Launcher doesn't start. I'm trying to play some minecraft on my Mac and the launcher gave me the message 'Unable to start Minecraft, if you are running from a dmg, please drag to applications and try again.' I don't know if I'm using it or not, and I don't know what to drag to applications. Minecraft updater unable to start Minecraft, if you are running from a dmg, please drag to Applications and try again となり、起動できません。恐れ入りますが、初心者のため、どうやればいいのかわからず困っております。どなたかご存知のかた教えてください。よろしく.
Why Won’t My Server Start? Last modified on Oct 21, 2019 in server errors. Facebook; Twitter; If your Minecraft server will not start, this can be the result of a number of causes. In most cases, it can be resolved or at least discerned with a possible fix. Unable to start Minecraft, if you are running from a dmgの原因究明方法 今回の現象は、オーナー=>正常起動、制限ユーザー=>エラーで起動できない、と正常に起動できるパターンがあるので比較的簡単に解決できます。. Click Play if you’re logged in and you should soon be playing Minecraft! If want to be sure you’re running on Java 8, you can bring up the ‘debug’ information you’d use to get your coordinates, etc. (Typically F3, so hold down the Function key and press F3, ie: fn + F3). I've configured our iMac to use Standard (ie. Restricted) user accounts for my kids. Every now and then one will complain because Minecraft presents the attached Minecraft Launcher warning, 'Unable to start Minecraft, if you are running from a dmg, please drag to Applications and try again'.
I've configured our iMac to use Standard (ie. restricted) user accounts for my kids. Every now and then one will complain because Minecraft presents the attached Minecraft Launcher warning, 'Unable to start Minecraft, if you are running from a dmg, please drag to Applications and try again'.

And NO! It's not a technical issue! It's a **PERMISSIONS** assumption made by the installer and not catering for multi-user environments.
I realised a long time ago, around version Minecraft 1.7 that the only way I could enable all my boys to play Minecraft in their own user account was to ensure that every file in the /Applications/Minecraft.app folder had full read/write permissions; in Octal: 0777 (directories) 0666 for normal files. That's an absolute NO NO! However, I tolerated it in favour of having to elevate their permissions and to avoid having to reinstall the game every time a different child wanted to play.
I recently installed the updated launcher for Minecraft 1.13/14, BUT it appears there was yet another update to the launcher today. And trawling the folder tree under /Applications/Minecraft.app I see some permissions have been changed back to rwr-r- (0644) or rwxr-xr-x (0744). Consequently, my two other sons are not able to play the game until I manually change the permissions again...that is until another update screws it up again.
The attached (redacted) log file records how the application itself is trying to write to the Minecraft.app folder, but fails due to lack of permissions. The most relevant line being:
Mac Unable To Start Minecraft If You Are Running From A Dmg
[Error: 2019-07-24 20:56:58.620398: mainOSX.cpp.mm(75)] main executable is not writable: /Applications/Minecraft.app/Contents/MacOS/launcher
Similarly, the long listing shows how in our case USER1 had all the permissions mentioned above, but since the update USER_2_ has overwritten those changes, and reset the permissions. I may try ACLs, but have avoided those.
I think all these issues stem from the assumption players have elevated privileges on the machine (a no, no in today's day and age with malware, etc.), and that the machine functions in single user mode, again incorrect given the approach to separating user accounts with Cloud identities, etc.
I have only experienced this on an Apple system so can't say if the behaviour is similar on Linux.
Attachments
- launcher_log.txt
- 1 kB
- ls-lR_Minecraft.txt
- 2 kB
- Minecraft-Launcher-error.png
- 36 kB
- Assignee:
- Unassigned
- Reporter:
- Keith Macpherson
- Votes:
- 2Vote for this issue
- Watchers:
- 2Start watching this issue
Unable To Start Minecraft If You Are Running From A Dmg Mac Free
- Created:
- Updated:
One of the most common mistakes I see among new Mac users is fumbling with how to install new software. The process for installing new applications on your Mac can be confusing at first because it differs greatly from Windows’ software installation process. Nevertheless, the Mac method of installing software is actually quite simple and intuitive once you are accustomed to it. If your desktop is littered with DMG files and white “drive”-looking icons, read on!
What are .DMG Files?
DMG stands for Disk Image, and is a format commonly used to distribute files and applications among Apple computers. A DMG file is like a virtual DVD or hard drive. They can be “mounted” on your Mac in order to work with their contents, or even burned to an actual physical disc.
In order to understand the concept of a DMG disk image, think of a storage volume such as a CD, DVD, hard drive, or external drive. A DMG file is like one of these devices in that it serves as a means to encapsulate documents, images, software, and other files. The difference is that with a DMG, there is no physical storage medium. There is only the DMG file, which can be written to a hard drive, burned to a CD or DVD, or sent over the Internet.
In order to work with the contents of a DMG file, you must mount the the disk image to your system. This may sound daunting, however “mounting” a DMG file with Mac OS X is no more complicated than double-clicking it’ icon. The operating system will load the load image and place a new icon both on your desktop, and in the sidebar of the Finder. The icon will have the same name as the DMG, and you’ll be able to browse through its contents like any other folder.
Once you are done working with the contents of the file, you will want to remove or “unmount” it from your system. Do this by opening the Finder and clicking the eject icon next to the virtual drive’s icon. Or, go to the Desktop, click once on the icon, and press CMD+E.
Software installation with Mac OS X is very different than in the Windows world. On a Windows PC you run an installer, tick off a few checkboxes, and wait for the progress meter to reach completion. There usually is no such “installation wizard” on a Mac &emdash; you simply drag and drop the program into your computer’s “Applications” directory. The trick is that most Mac applications are distributed as images called DMG files, and many new Mac users end up running applications directly from the image instead of installing them to the “Applications” directory.
Enough explanation, here’s how to install an OS X app from a DMG file:
- Find the downloaded file, which usually ends up in your Desktop or Downloads folder.
- Double-click the .DMG file to mount it. A new Finder window showing its contents should appear.
- If the window also contains a shortcut icon to “Applications”, drag and drop the app onto the shortcut.
- If not, double-click the mounted volume on your desktop and drag the app icon from there to the “Applications” icon in the Finder sidebar.
Minecraft Updater Unable To Start Minecraft If You Are Running From A Dmg
Further Explanation
Alright, that was the abridged version. Here’s the long version. I’ve just downloaded the DeskLickr application, and the DeskLickr_1.2.dmg is sitting on my desktop. I double-click it and a new icon labeled “DeskLickr 1.2” appears on my desktop. Here’s what my desktop looks like at this point:
Since most of the time a new Finder window also pops up when the image is ready for use, this one is now sitting on my desktop:
Different applications are going to show you slightly different Finder windows. Each application’s designers like to add their own artwork. Glitter aside, most applications are trying to tell you the same thing. See the arrow pointing from the DeskLickr icon to the “Applications’ shortcut? It’s telling you to drag and drop the icon into that folder. Once you’ve done so, the app will be installed.
If a program doesn’t provide a shortcut to the Applications folder, you’ll need to pop open a new Finder window. Press CMD+N to open a new window, then drag the program over to “Applications” in the left-hand side of the window.
Once the new program is installed it’s time to do some house cleaning. You no longer need the disk image you downloaded, so follow these steps:
- Close any Finder windows that have been left open.
- Eject the disk image (not the .DMG file). Click on its desktop icon, then press CMD+E.
- Delete the .DMG file by dragging it to the trash.
That’s it! Your new Mac application is ready to use. But wait…
Bonus Tip: Add Your New Application to the Dock
I knew you were going to ask, so I figured I would cut you off at the pass. In order to add the new application to the dock, follow these steps:
- Open up a new Finder window.
- Click on “Applications”.
- Locate your new program’s icon.
- Drag the icon to your Dock, and drop it wherever you like.