Mountain lion download wont work on my computer..why?

i have the mac book version 5.2 i think, the white one before the macbook now. i have snow leopard currently running on my mac, and i went into the app store and clicked to buy the mountain lion, and it said " OX S mountain lion is not compatabile with your computer" ... i meet all the requirements for the installation of it, why wont it work?

No, it's not too old. A MacBook 5.2 is a MacBook introduced in early 2009, so, it should be capable.

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Mountain Lion download not working on my MBA.

Hi,
I am hoping that someone can help me with this.
I am trying to download onto my MBA - Mountain Lion. I have successfully downloaded onto my iMac. When in the App store - Downloads it says, "The product distribution file could not be verified. It may be damaged or was not signed."
Help!

Quit the App Store if it's open.
Open the Finder. From the Finder menu bar top of your screen click Go > Go to Folder
Type this exactly as you see it here:
/Library/Preferences/SystemConfiguration
Click Go
Move the NetworkInterfaces.plist file from the SystemConfiguration folder to the Trash.
Relaunch the App Store and try downloading Mountain Lion.
If that doesn't help, disable anti virus software and try turning off the Firewall in System Preferences > Security & Privay > Firewall
If nothing above has helped, install the appropriate combo update.
For Lion v10.7 > OS X Lion Update 10.7.4 (Client Combo)
For Snow Leopard > 10.6 > Mac OS X 10.6.8 Update Combo
The combo will reintsall the App Store for you which may help. Restart your Mac after the combo is installed. Try downloading Mountain Lion.

HT4463 Why is Mountain Lion download not working?

I have purchased the Mountain Lion upgrade, but initially it stopped downloading at 53.25 meg. Cleared it and started again, but still no success.
Ant ideas?

Quit the App Store if it's open.
Open the Finder. From the Finder menu bar top of your screen click Go > Go to Folder
Type this exactly as you see it here:
/Library/Preferences/SystemConfiguration
Click Go
Move the NetworkInterfaces.plist file from the SystemConfiguration folder to the Trash.
Relaunch the App Store and try downloading Mountain Lion.
If that doesn't help, disable anti virus software and try turning off the Firewall in System Preferences > Security & Privay > Firewall
If nothing above has helped, install the appropriate combo update.
For Lion v10.7 > OS X Lion Update 10.7.4 (Client Combo)
For Snow Leopard > 10.6 > Mac OS X 10.6.8 Update Combo
The combo will reintsall the App Store for you which may help. Restart your Mac after the combo is installed. Try downloading Mountain Lion.

Mountain lion download wont start,installer in dock reads "waiting"

i'm trying to update my MacPro to Mountain Lion from Snow Leopard. From the App store selected install Mountain Lion , which loaded the installer in the dock and is sitting there with a " waiting " message but nothing happening. I have loaded Mountain Lion on my MacBook Pro . Is this a licensing issue having purchased a copy for my MacBook ? Any suggestions or help would be greatly appreciated? Tx

Diable anti virus software.
Turn off the Firewall in System Preferences > Security & Privacy

4 GB Mountain Lion Download quits @ 425 MB. 1.6 GB FCP X downloads OK!

That's it really!
If a 4 GB Mountain Lion Download from the App Store repeatedly quits at 425 MB but a 1.6 GB FCP X download from the App Store works perfectly, it surely must be a fault with the App Store - but if anyone knows a way to contact Apple and report this, they're doing better than I am.
Andy

Well, I managed to contact Apple on this matter.
The problem turned out to be my BT (British Telecom) 2Wire 2700 HGV Router.
I bought a new router online, and Mountain Lion downloaded perfectly.
Goodness only knows why Final Cut Pro X downloaded fine, but Mountain Lion repeatedly stalled at 425 MB - but that's computer equipment for you!
Andy

After Mountain Lion download, FaceTime is not working anymore. Any ideas?

After Mountain Lion download, FaceTime is not working anymore. Any ideas?

I have reinstalled mountain Lion again . This time, Facetime works when somebody calls me, and I can do calls from my Mac again. But the problem was still that I was not able to call my iPad, what I was able to do with Lion (I had one Apple-ID and two call adresses). The solution was this time to generate a second Apple-ID from the Facetime in my Mac (this doesn't affect your main Apple-ID, it's only used for Facetime). Now, it works! ;-)

After mountain lion download the "back" function of delete key no longer is working.

After mountain lion download the "back" function of delete key no longer is working.

Here is your answer, I think.
https://discussions.apple.com/message/19048177#19048177

My computer does not start download osx mountain lion what should I do, My computer does not start download osx mountain lion what should I do

My computer does not start download osx mountain lion what should I do, My computer does not start download osx mountain lion what should I do

What's installed on your computer? If you don't have Snow Leopard 10.6.6 or later then you cannot get Lion. If you already have Lion installed then you cannot re-download from the App Store until you have reinstalled Snow Leopard.

I just purchased a MacBook Pro Retina. Checked my OSX and it is version 10.8.1... trying to find a way to upgrade to a higher version. In the app store it doesnt show the update nor downloading the new Mountain Lion OXS doesnt work. Please help

I just purchased a MacBook Pro Retina. Checked my OSX and it is version 10.8.1... trying to find a way to upgrade to a higher version. In the app store it doesnt show the update nor downloading the new Mountain Lion OXS doesnt work. Please help

hienn,
Not yet. There was an upgrade page to 10.8.2 for the late 2012 models but it's down now. I have to assume that Apple pulled it because of some bugs. I would look for something next week, more likely than not. In the meantime, the OP should be good with 10.8.1 until the update shows up again.
Clinton

Why do I get this message when I try to download Mtn Lion? I have updated all software and am running Lion. "We could not complete your purchase. OS X Mountain Lion is not compatible with this computer.

Why do I get this messge when I try to download Mtn Lion? "We could not complete your purchase. OS X Mountain Lion is not compatible with this computer." I am currently running Lion and have updated all Apps and Software. I have version 10.7.5.

Hi Mtn Mama,
Sounds like your Mac may not be compatible with OSX Mountain Lion. Here is a link with the list of compatible Macs:
http://www.apple.com/osx/specs/
GB

Ap store says "we could not complete your purchase. OS X Mountain Lion is not compatible with this computer". I'm running 10.6.8 duel core intel with 15gb of memory. Any ideas on why I can't download?

Ap store says "we could not complete your purchase. OS X Mountain Lion is not compatible with this computer". I'm running 10.6.8 duel core intel with 15gb of memory. Any ideas on why I can't download?
Thanks.

If the OP has this much RAM in their iMac, certain this Mac can run Mountain Lion.
The reason it might not be installing is that 15 GBs of RAM.
Your iMac should have (4) equal sized, 4 GB sticks of RAM for a total of 16 GBs.l
If your iMac is only reporting that there is only 15 GBs of RAM, you have a RAM stick that is either not seated in its slot properly or is defective/going bad.
This maybe the reason that it won't download it.
Also could be you are running out of free space on your HD.
You need, at least 15-20 % or greater free space left on your HD.

HT202159 mountain lion download interrupted and resume button not working

mountain lion download interrupted and resume button not working

From the App Store menu bar top of your screen, click Store > Check for Unfinished Downloads
Keep in mind, for downloading Mountain Lion from the App Store, a high speed (broadband) internet connection is strongly recommended by Apple as noted here > iTUNES STORE - MAC APP STORE - TERMS AND CONDITIONS
If you need to reinstall OS X or repair the the startup disk using Mountain Lion Recovery, that requires broadband access to the internet via Wi-Fi or an Ethernet connection. OS X is downloaded over the internet form Apple when OS X Recovery is used for reinstallation.
You may need to temporarily disable anti virus software to download apps from the App Store including Mountain Lion.
Make sure your Mac qualifies to run Mountain Lion > Apple - Upgrade your Mac to OS X Mountain Lion.

HT1338 Mountain Lion download problems

Tried to get Mountain Lion download/install on my computer. Got message "An error has occured" so can't download. Computer is up to date with plenty of space.

Went to Genius Bar. Solved my problem but I'm not sure how helpful. He ran some diagnostics (hardware diagnostic progeam; Mac Disk Utility for Hard Drive Verication and repair. Don't think he found much wrong. Then, he went for download on their connection, which worked just fine. He explained it was because of the extremely fast download connection. So, I guess you have to get your Mac to somewhere with a super-fast connection (Apple store, but also our local libraries have a very fast connection) for download.
That's all for this problem, as far as I can tell. Over and out.

Mountain Lion download problems with Lion 10.7.5 (no VirusBarrier issue)

I have a mid-2009 Macbook Pro. From the factory it came with Snow Leopard but has since been upgraded to Lion OS X 10.7.5. I do not have VirusBarrier, I am writing from a recently clean-installed Lion.
I have now been troubleshooting my Mac for several days. When I wrote first, I had an issue with Safari having been damaged and so I wasn't able to reinstall Lion - but after a certain extremely helpful community member I finally succeeded in installing Lion.
But the issues with the App Store still persist. All my Mountain Lion downloads fail, getting the error message "can't verify, might be corrupted" what many here have also been getting. However, most solutions were related to VirusBarrier (which I don't have), or /var/folders errors (Console does not show any var-related errors).
So if it's not a var-related issue, or related to firewalls or virus softwares (I have disabled the Firewall and I have no virus software installed), what could it be?
When the download and install of ML failed last time, Console showed the following messages:
11/30/12 11:54:44.617 AM com.apple.SecurityServer: Failed to authorize right 'system.install.app-store-software' by client '/System/Library/PrivateFrameworks/PackageKit.framework/Versions/A/Resources/in stalld' [235] for authorization created by '/System/Library/CoreServices/Software Update.app' [567]
11/30/12 11:54:44.617 AM com.apple.SecurityServer: Failed to authorize right 'system.install.software' by client '/System/Library/PrivateFrameworks/PackageKit.framework/Versions/A/Resources/in stalld' [235] for authorization created by '/System/Library/CoreServices/Software Update.app' [567]
11/30/12 12:25:49.252 PM authexec: executing /Applications/Install OS X Mountain Lion.app/Contents/Resources/InstallAssistantTool
11/30/12 12:26:17.178 PM Install OS X Mountain Lion: Stopped operation queue with Error Domain=IAErrorDomain Code=101 "This copy of the Install OS X Mountain Lion application can't be verified. It may have been corrupted or tampered with during downloading." UserInfo=0x7f93aad17ee0 {IAErrorAlternateAction=App Store, NSLocalizedRecoveryOptions=(
Cancel,
"App Store\U2026"
), NSLocalizedRecoverySuggestion=Delete this copy of the application, and go to the Purchases page of the Mac App Store to download a new copy., NSRecoveryAttempter=<IARecoveryAttempter: 0x7f93aab1e1d0>, NSLocalizedDescription=This copy of the Install OS X Mountain Lion application can't be verified. It may have been corrupted or tampered with during downloading.}
...and a bit later, upon re-starting the download:
11/30/12 12:29:40.515 PM com.apple.SecurityServer: Failed to authorize right 'system.install.apple-software' by client '/System/Library/PrivateFrameworks/PackageKit.framework/Versions/A/Resources/in stalld' [817] for authorization created by '/Applications/App Store.app' [781]
11/30/12 12:29:40.547 PM com.apple.SecurityServer: Failed to authorize right 'system.install.software' by client '/System/Library/PrivateFrameworks/PackageKit.framework/Versions/A/Resources/in stalld' [817] for authorization created by '/Applications/App Store.app' [781]
Problem elimination:
* I don't think this is a router-related issue: I have downloaded and installed other softwares outside App Store successfully
* As said, I don't think this has anything to do with Firewall or Virus settings
* Nor has this anything to do with /var/folders as far as I can tell
What I've tried so far:
* Repaired disk permissions several times
* Rebooted
* Restarted App Store
* Following one advise found on the net, I deleted preflight.pfpkg just in case
* All the time I have made sure my OS has the most recent Software Updates installed (most of them downloaded successfully, while with Safari and OS 10.7.5. I had to try several times before they were downloaded succesfully)
I just reinstalled my OS X Lion, only to use it to jump on to Mountain Lion - so I am pending my migration until ML is installed. I would like to fix this soon, since I'd like to get the migration done and my real work started. I would really appreciate your help.
I'm not very adept at using Console or Terminal to troubleshoot, so if someone could guide me through the problem identification, that would be great. Unless someone already knows exactly what's going wrong and can show me a working solution - that'd save my day!
Thanks!

In cases like this, if you have an Apple store near by, they will most likely install the OS free of charge for you, if you can't bring your Apple ID along to prove you've paid for it.
Would that work out for you?

Slow internet after mountain lion download

web pages open slowly or not at all after mountain lion download

I'm having the same problem but only at home with a slow internet service. At work with faster internet my macbook pro works fine. I wonder if Mountain Lion requires some minimum internet speed? Our old macbook pro (not using Mountain Lion) still works fine with our slow home internet. This change happened when I installed Mountain Lion. Also I can boot from by back up disk and bypass Mountain Lion and work with my slow internet at home. ???

Mountain lion download wont work on my computer..why?

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