Mountain Lion downloaded, but not installed.

I recently download Mountain Lion, but when the download finished, I recieved an error message saying "Product could not be installed. Check your internet connection." My internet connection was actually working fine. I would like to try and download again, but that would mean paying again, and I don't want to do that if I don't know for sure if it's going to work.

Check that your computer is compatible with Mountain Lion.
To check the model number hold down the option/alt key, go to the Apple menu and select System Information.
Mac Pro (Early 2008 or newer) model number 3,1 or higher
Your Mac needs:
OS X v10.6.8 or OS X Lion already installed
2 GB or more of memory (More is better)
8 GB or more of available space

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How to download but not install OSX Mountain Lion on Mavericks

Hi all
I would like to download but not install OSX Mountain Lion on my MBP which is currently running OSX Mavericks.
This however seems impossible. I think OSX Mavericks were already installed on my MBP and therefore it seems "impossible" to download it.
Now, why would I to do this? The answer is quite reasonable, due to certain demands related to an application portfolio I need Mountain Lion, because the portfolio is not upgraded to run on Mavericks. And, it is more reasonable to downgrade a version of OSX, rather waiting for the portfolio upgrade which can take years.
Yes, I need to downgrade my secondary MBP which also came with preinstalled Mavericks. This can be done, if I only could download but not install Moutain Lion.
It should be easy enough; download Mountain Lion, make an installer and make a bootable thumb usb stick. Then erase Mavericks and install Mountain Lion.
I have previously bought Mountain Lion so it is accessible to me in the App Store, but whenever I try to hit the Download button, I get a message saying this can't be done, since I am running Mavericks.
This bugs me, it should be obvious users needs the flexibility to swap whatever OSX version they need. It is still software.
So, how can I download but not install Mountain Lion on my newer MBP that came with preinstalled Mavericks?
I would like to see answers like:
"In order to get this to work, you first have to disable the locking mechanism in [...] " instead of "No, this is impossible to do"
Regards

Thanks for your reply Eric
Can't help wondering thought, people are ok with this?
Basically Apple are saying: "Do not attempt to install an older version of OSX which came preinstalled. If so, expect multiple failures." Really?! Has it always been so? For me it's not like I'm going to install Snow Leopard on my Late 2013 Retina MBP, but I would expect some form of backward compatibility between the previous version and it successor. Apparently this is not possible, and how is this even acceptable?
Personally, I am not going to downgrade, as if I had a choice, but I would and I expected however, the possibility to at least download the previous OSX version. What do you do if you have bought several applications, not necessarily online from App Store and buy yourself a new Mac with preinstalled Mavericks and after installing your "old" applications they fail to work properly? What do you do since downgrading apparently is not an option. So... again, what do you do?
If you don't have friends with an older Mac, you could be facing serious problems. And I'm not talking about gaming, but serious business.
I find this quite disturbing actually, and please tell me it's not so. There gotta be a way to do this?
I simply want to download the OS but I expect some registry values (like windows' registry) keeps preventing this.
It should be possible to simply download and not download and install in one operation, shouldn't it?
Regards

MacKeeper downloaded but not installed. Can't drag it to Trash so how do I get rid of it?

MacKeeper downloaded but not installed. Can't drag it to Trash so how do I get rid of it from my computer?
Problem solved by reviewing FAQ's. Many thanks for those who viewed my question.
Message was edited by: Mifti

Hi Thomas, I was trying to drag it from the Launch Pad where it just bounced back again. Have now solved it by dragging it from the Application.
Thanks.

Why will the iOS 7 download but not install?

why will the iOS 7 download but not install?

IOS 7 stinks wrote:
I made the mistake go read the internet
It would take a very long time to read the entire Internet. There are billions of pages.

ML has downloaded but not installed.

ML had downloaded but not installed. . On the launchpad it says installing, but on the app store it says waiting. Its been doing this for 3 hours. what do i do?

It hasn't finished DLing until the MAS's progress bar is full and an install window pops up.

Downloading but not installing Mountain Lion?

I have a MacBook Pro with Retina display purchased since June 11 so I qualify for the free upgrade to Mountain Lion. I understand that I have 30 days to get the software for free once it is released. On the other hand, I would like to wait before installing the software until 10.8.1 or 10.8.2 are released to let some of the bugs be ironed out first. Is it possible to download ML but not install it (within the 30 day period)?

I would do as stated above except that I would set the install location to an external drive and then when the download finishes disconnect the external.
The reason for this is you may not have the option to NOT reboot the system after the download finishes. And even if you do have that option at the time the download finishes the next time the system reboots it may be set, in the EFI system or through some command placed on the hard rive, to start the install automatically.
At this time no one really knows how Mountain Lion will react when downloaded from the Mac App Store.
Also putting the download on an external drive allows to to actually install it to that external and run it from there to check it out before you do the install on your internal drive.

HT201210 My download for iOS 7 was interrupted, it has downloaded but not installed. it goes through routine Terms & Agreements and everything, but when i try to update it tries to verify the update then says that the update is not available.

I dont understand, when i try to update it will go through routine apple stuff, then it it will say " Software Update Unavailable (under) Software Update is not available at this time. Try again later." The thing is that i was downloading it and my wi-fi had restarted for some unknown reason and it downloaded onto my phone but not installed. and at the moment it is really bothering me because I have waited a long time for iOS 7 and I am not being allowed to update my phone to it and i just wanted to know how to fix it. Thank you.

I imagine a ton of people are attempting to download it right now. Simple patience, maybe keep trying, and if possible, try a little later. Think of it as all those people lining up at Apple Stores + about a million more.

Mountain Lion downloads but error on install

I have downloaded Mtn Lion successfully but get this error when trying to install 'this copy of the install can't be verified. It may have been corrupted or tampered with during download. delete this copy and download a new one'
I have done that and am now on my third download. Does anyone have any suggestions?
I have a MacBook Pro running 10.7.4

Just in case something is wrong with your HD, use Disk Utility and verify.
Other than that, there's no choice, you have to download again.

Lion OS Downloaded but Not Installed???

Downloaded Lion OS to MacPro. Rec'd install prompt, agreed to terms and hit install/continue. It was not installed. How do I find it to install again. App store says downloaded and no option to re-download. I had/have OS 10.6.8 installed.

How do you know it isn't installed? Select About This Mac from the Apple Menu. What OS version is displayed?
If the installer wasn't deleted then you will find it in the Applications folder.

Mountain lion download will not resume

Finally figured out how to get the program to downlaod but my connection in africa is super slow am trying to downlaod it in increments, downloaded a bit yesterday, came back today to continue but no matter how many times i click resume in the task bar or in the purchases window nothing happens and still says "paused". frustrating.

If you properly pause the download, it should be able to resume without any problem.
When I downloaded Mountain Lion, I paused and resumed hours later without any problem. But when it reached 95% of the download, my internet connection dropped for like 1 minute, and when it came back, the download restarted from zero.
So as long as the internet connection is not dropping during the download, you should be able to resume.

OS X software update will download but not install

I am using a MacBook Air, and am informed that a Software Update is available. 7 items - 1.63 GB are downloaded. The computer begins writing files, then the following message appears: "None of the selected updates could be installed. An unexpected error occurred." What can I do?

This usually means a corrupted OS X installation, so I would try reinstalling OS X:
Reinstalling Lion/Mountain Lion Without Erasing the Drive
Boot to the Recovery HD: Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Repair the Hard Drive and Permissions: Upon startup select Disk Utility from the main menu. Repair the Hard Drive and Permissions as follows.
When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the main menu.
Reinstall Lion/Mountain Lion: Select Reinstall Lion/Mountain Lion and click on the Continue button.
Note: You will need an active Internet connection. I suggest using Ethernet if possible because it is three times faster than wireless.
Try the updates after you have reinstalled OS X.

Lion downloading, but not in the dock?

I apologize in advance if this has already been asked or covered, but:
I have DSL, so my download will take several decades. At some point during my downloading adventure, it told me there was an error and that my app could not be downloaded, and to try again. (I assume, just to annoy me and make this process take infinitely LONGER...) I pressed "try again", and it went back to downloading, but the "OS X Lion: Downloading..." circular lion man disappeared from my dock.
BUT the file is still downloading normally, as I can still check its progress when I go to my purchases in the App Store. (275 megabites down, 13 hours remaining.)
Should I be concerned about this? Will it somehow prevent Lion from installing normally once the download is finished? Or should I just ignore it?
Thanks for any help!

Thanks for responding! <3 That's what I was thinking too, but I just wanted to make sure it wasn't some sort of ~bad sign~ or something.

Why can I download but not install Mavericks?

My Macbook Air will download 5 programs associated with Mavericks but will not install them. I get an error message that reads, "unable to install due to unexpected error". Help please!

Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Console in the icon grid.
Select
/var/log ▹ install.log
from the hierarchical list on the left. If you don't see that list, select
View ▹ Show Log List
from the menu bar. Then select the messages from the last installation or update attempt, starting from the time when you initiated it. If you're not sure when that was, click the Clear Display button in the toolbar of the Console window and then try the installation again.
Copy the messages to the Clipboard by pressing the key combination command-C. Paste into a reply to this message (command-V).
If there are runs of repeated messages, post only one example of each. Don’t post many repetitions of the same message.
When posting a log extract, be selective. Don't post more than is requested.
Please do not indiscriminately dump thousands of lines from the log into this discussion.
Important: Some private information, such as your name, may appear in the log. Edit it out by search-and-replace in a text editor before posting.

I want to download, but not install Mavericks.

I am not quite ready to upgrade to Mavericks, but would like to download it and not install it. I might install it on an external drive first, if that is possible. It appears to be a 3.5 hour download for me. Can I just start the download process and leave it? I am afraid it will automatically install if I don't catch it at the end of the download process. Thanks!
iMac 10.6.8

The 10.9.3 version of the installer is version 1.3.42. Use, "More Info'" Cmd-I to see that. If that is what you have, re-downloading should replace the previous one with the newer version.
I'm downloading the 10.9.4 version now and will post back its installer version number.
Okay, 10.9.4 installer version is 1.3.44.

New OS Downloaded but Not Installed

I downloaded the new OS 4.2, but it did not install.
How doI get it to install.

Can you tell us what happens when you try to install the update? Does computer freeze? Do you get error messages? We nee a little more information to help you.

Mountain Lion downloaded, but not installed.

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