I've tried to purchase Mountain Lion but when I click 'buy' I get the message, "We could not complete your purchase. OS X Mountain Lion is not compatible with this computer." I'm using an iMac with Lion OS on it, Why is it incompatible?

Your Mac must be one of the following models:
iMac (Mid 2007 or newer)
MacBook (Late 2008 Aluminum, or Early 2009 or newer)
MacBook Pro (Mid/Late 2007 or newer)
MacBook Air (Late 2008 or newer)
Mac mini (Early 2009 or newer)
Mac Pro (Early 2008 or newer)
Xserve (Early 2009)
From here > Apple - Upgrade your Mac to OS X Mountain Lion.

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I can log into yahoo but when I click mail I get a message saying that firefox can't find my address and asking me to check the spelling. Even plugging in the right address doesn't work though my wife can log into her email just fine.

Ever since removing and updating Adobe Flash Player I suddenly cannot get my Yahoo email page to come up with Mozilla 4.0 or 3.6. I can log into yahoo but when I click on Mail from the welcome page I get an error message saying that it cannot find the email address and asking me to check the spelling. I have tried removing and redownloading 4.0 and 3.6. Same problem. With other browsers--Opera, Chrome, and Safari--I don't have this problem. Please help me solve this problem as Mozilla is my default browser.

Its known issue, see;
* https://bugzilla.mozilla.org/show_bug.cgi?id=713014
please open a bugzilla account and add your email in cc list if you want to follow the bug?
Someone having the problem, but when he upgrade Java runtime, his poblem was fixed, make sure your JRE has been up to date?
Also maybe this bug is fixed in nightly?
* firefox.com/beta

I get messages that I need to upgrade Firefox but when I do I keep getting the messages, including from Firefox. The "help-troubleshooting" tab says I'm using version 8.0.1 but this isn't recognized by others.

I get messages from gmail, Pandora, and Firefox that my browser is outdated but when I upgrade to version 8.0.1 I still get the messages. No one seems to recognize the upgrade.

Your User Agent shows that you are using Firefox 3.5.3. Reset your User Agent following the instructions below.
*See -->https://support.mozilla.com/en-US/kb/websites%20or%20add-ons%20incorrectly%20report%20incompatible%20browser#w_reset-your-user-agent
*Also see --> http://kb.mozillazine.org/Resetting_your_useragent_string_to_its_compiled-in_default
*Also see --> http://en.wikipedia.org/wiki/User_Agent
NOTE: the information that you submitted with your question shows
*general.useragent.override
**Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.3) Gecko/20090824 '''''<u>Firefox/3.5.3</u>''''' (.NET CLR 3.5.30729)
'''If this reply solves your problem, please click "Solved It" next to this reply when <u>signed-in</u> to the forum.'''

HT201210 I have tried to update to IOS6 and it has prompted me to connect to ITunes but when I do I keep getting the message ' There is no sim card inserted in the Iphone you are trying to activate'. My phone is now locked on the IOS6 update screen!

I have been without mu IPhone 4 since yesterday now as I tried to do the IOS6 update and since then it has messed up my phone and I am unable to access any of it's functions as it is locked on the update screen.
My phone was bought through Vodfone and have been on their network ever since, never had any problems like this.
It prompts me to connect to ITunes and when I do it will not go any further as stating 'No sim card is inserted in the IPhone you are trying to activate'. Well there is a sim in there and I have removed it and reinserted it on many occasions today. I am also not trying to activate my phone as all I did was try to the update which I was prompted to do in my setting!
I have seen many people on the net today with the same or similar problems but as yet I am to find a solution!
Help, please as it is driving me crazy!!!

Try a Hard Reset.....
Press and hold the Wake / Sleep button AND the Home button at the same time, keep them both pressed until the Apple Logo appears on the screen, it can take 10 or more seconds. Ignore the swipe to turn off message.

I only have one tab open but when I close firefox I get the notification that I am about to close 5 tabs. I can not see these other tabs.

First it started out as just 1 extra tab. Then it was 3 and now it's 5 tabs. But there is only one tab open and I checked for pinning and an extra window open.

It's possible you have a second ''tab group''. This article describes the concept: [[Use Tab Groups to organize a lot of tabs]].
To work with the tab groups in the current window, press Ctrl+Shift+e or look for a menu button toward the far right end of the tab bar. If you find multiple tab groups, you should be able to drag all the tabs into a single group so you can work with that one group and see what is getting closed.
I don't use this feature myself, so if that doesn't work, hopefully another volunteer can provide a better set of steps.

TS1382 Im trying to dowload a song but when I click on buy it doesnt work

Hi I am trying to download a song but when I click buy it doesn't do anything.. Any idea?

Hi mccandk,
Welcome to the Support Communities!
The article below may be able to help you with this issue.
Click on the link to see more details and screenshots.
iTunes 11: Frequently used features
http://support.apple.com/kb/HT5649http://support.apple.com/kb/HT5649
iTunes 11 for Windows: Create a playlist
http://support.apple.com/kb/PH12340?viewlocale=en_US
Cheers,
- Judy

I am trying to purchase mountain lion but I get the following message: "We could not complete your purchase. The product distribution file could not be verified. It may bedamaged or was not signed." Any help?

I am trying to purchase mountain lion but I get the following message:
"We could not complete your purchase. The product distribution file could not be verified. It may bedamaged or was not signed." Any help?

Installing the appropriate combo update may help...
If you are running v10..7 Lion, install the OS X Lion Update 10.7.4 (Client Combo)
For 10.6 Snow Leopard > Mac OS X 10.6.8 Update Combo
Then restart your Mac. Try the App Store.
If that doesn't help, try the following..
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.
You may also need to disable anti virus software and turn off the Firewall in System Preferences > Security (or Security & Privacy) > Firewall

I tried to download the latest OSX Mountain Lion and got this notice - "We could not complete your purchase. The product distribution file could not be verified. It may be damaged or was not signed. " What does this mean and why can't I download it?

I tried to download the latest OSX for my iMac - Mountain Lion.
This is the message that I received:
"We could not complete your purchase. The product distribution file could not be verified. It may be damaged or was not signed."
What does this mean?

The only thing that worked for me was to boot in safe mode.
Power down. Then press power button and hold 'shift' key until grey screen with progress bar appears... Once booted and logged in just open safari and browse to applestore.
No trouble at all once I did this.
Reminder: create full backup before you upgrade OS
Hope it helps.

I'm currently running 10.6.8 and would like to upgrade to mountain lion but all i keep getting is the following: We could not complete your purchase. OS X Mountain Lion is not compatible with this computer. help

I'm currently running 10.6.8 and would like to upgrade to mountain lion but all i keep getting is the following: We could not complete your purchase. OS X Mountain Lion is not compatible with this computer. help

ERA AND MCM wrote:
We could not complete your purchase. OS X Mountain Lion is not compatible with this computer.
it means exactly that, you mac is not compatible to run ML. http://support.apple.com/kb/SP654

I checked and I have all the correct hardware recommendations but I keep getting We could not complete your purchase. OS X Mountain Lion is not compatible with this computer.

I keep getting the message We could not complete your purchase. OS X Mountain Lion is not compatible with this computer. I believe I have all the correct hardware requirements - initially I only had 1gig of Ram but I upgraded my MacBook to 2gig

Hardware Overview:
Model Name:          MacBook
Model Identifier:          MacBook2,1
Processor Name:          Intel Core 2 Duo
Processor Speed:          2 GHz
Number Of Processors:          1
Total Number Of Cores:          2
L2 Cache:          4 MB
Memory:          4 GB
Bus Speed:          667 MHz
Boot ROM Version:          MB21.00A5.B07
SMC Version (system):          1.13f3
Serial Number (system):          4H64461DWGM
Hardware UUID:          00000000-0000-1000-8000-0017F23304F7
Sudden Motion Sensor:
State:          Enabled

HT4854 When trying to download Mountain Lion, I get the following message: "We could not complete your purchase. OSX 10.8 Mountain Lion requires a Core 2 Duo, .... processor." However, my Mac lists a 2GHz Intel Core Duo as its processor. Help?

When trying to download Mountain Lion, I get the following message: "We could not complete your purchase. OSX 10.8 Mountain Lion requires a Core 2 Duo, .... processor." However, my iMac lists a 2GHz Intel Core Duo as its processor. Help?

Welcome to the Apple Support Communities
Mountain Lion is a 64-bit operating system, and an Intel Core Duo processor is only 32-bit, so you can't use Mountain Lion on your Mac. You can keep using your actual OS X version or buy a new Mac if you want Mountain Lion

I am trying to buy an app (Aperture). I don't see a "buy" icon in the app store. If I go to Apple site, there is a buy icon but when I click it, I get a dialogue box saying the link needs to be opened with an application. Please help. Thanks.

I am trying to buy an app (Aperture). I don't see a "buy" icon in the app store. If I go to Apple site, there is a buy icon but when I click it, I get a dialogue box saying the link needs to be opened with an application. Please help. Thanks.

Hi ...
Installing the OS X Lion Update 10.7.3 (Client Combo) will reinstall the App Store for you.
Restart your Mac after the combo is installed then try purchasing Aperture.

OS X 10.6.8 - Mountain lion will not download. Error: "We could not complete your purchase."

I am currently running OS X 10.6.8 on an iMac (model identifier iMac11,1). I have purchased Mountain Lion so that we can run Adobe CC. I have been advised that Mavericks is not compatible with our proxy server.
When attempting download from the Mac app store I receive this error:
"We could not complete your purchase. The product distribution file could not be verified. It may be damaged or was not signed."
The following is shown in console when attempting to download:
28/11/13 10:07:24 AM App Store[1824] *** Assertion failure in -[ISDistributionManager verifyDistributionAtURL:allowsDevSign:error:distributionController:], /SourceCache/Pisa/Pisa-60.8/Source/ISDistributionManager.m:146
Please help! I have read many discussions and there doesn't seem to be a fix for this as yet. Any ideas?
Thanks.

The following article pointed me in a better direction:
http://reviews.cnet.com/8301-13727_7-20081398-263/os-x-10.7-cannot-be-installed-on-certain-drives/
I tried to go the partition route, but for some reason the operation failed.
I decided to attempt a Lion install again afterwards anyway, but once again it failed, but now my whole system was hosed and could not revert back to Snow Leopard.
I did a restore from time machine. Once that completed, I attempted to install Lion again, and ta da! it works now.
What a pain.

HT201364 i tried upgrading my macbook but troublesome to upgrade. It appears "we could not complete your purchase". besaide says, the product didtribution file could nto verified and may be damaged or not signed. in view of the above, kindly advise me.

i tried upgrading my macbook but troublesome to upgrade. It appears "we could not complete your purchase". besaide says, the product didtribution file could nto verified and may be damaged or not signed. in view of the above, kindly advise me.

Did anything download or are you getting this when trying to install?
Try booting into the Safe Mode and do the installation there.
Safe Mode
Safe Mode - About
There are various suggestions in this discussion. You might start with the last post first.
https://discussions.apple.com/thread/4136660?start=30&tstart=0

Hi, i have one imac and ahi download the lion , but, when im gone to sing in the face time i can`t!!!

hi, i have one imac and ahi download the lion , but, when im gone to sing in the face time i can`t!!!

You need to either buy and install Mac OS X 10.8 from the Mac App Store, or purchase an iWork 09 DVD, or use a product such as OpenOffice instead of Keynote.
(79385)

I've tried to purchase Mountain Lion but when I click 'buy' I get the message, "We could not complete your purchase. OS X Mountain Lion is not compatible with this computer." I'm using an iMac with Lion OS on it, Why is it incompatible?

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