Why am I getting this App Store message for the new OS: The product distribution file could not be verified. It may be damaged or was not signed.
Why am I getting this App Store message:
The product distribution file could not be verified. It may be damaged or was not signed.
I had the same problem. Spoke to Apple support who directed me to Itunes support. Frustrating to say the least. Some have said remove virus barrier. I did and still nothing. Some posts have said to delete App store. DON'T DO IT.. App store is tuff to get back. This did work for me. Go to Finder, then go, pick go to folder, type in, /var/folder, and delete (send to trash). There were 2 folders I had to delete, KX & XX, and as soon as I sent them to the trash they returned but I was able to download & intall Mountain Lion and working well. Good luck..
Similar Messages
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When clicking 'buy' for Mountain Lion in the App store I get the message "product distribution file could not be verified, it may be damaged or was not signed' Anybody know why I get this message. Thanks
Make sure your Mac qualifies for Mountain Lion > Upgrade your Mac to OS X Mountain Lion.
If you have anti virus software installed, disable that before downloading apps.
Turn off the Firewall in System Preferences > Security (or Security & Privacy) > Firewall
Try deleting the cache, cookies, and preference files (plist) associated with the App Store.
Quit the App Store if it's open.
Open the Finder. From the Finder menu bar click Go > Go to Folder
Type this exactly as you see it here:
~/Library/Caches/com.apple.appstore/Cache.db
Click Go
Move the Cache.db file to the Trash.
Now here:
~/Library/Preferences
Click Go
Move these files from the Preferences folder to the Trash.
com.apple.appstore.plist
com.apple.storeagent.pllist
Now here:
~/Library/Cookies
Click Go
Move the com.apple.appstore.plist file from the Cookies folder to the Trash.
Empty the Trash, try the App Store. -
I have purchase OS X Mountain Lion from my Mac App store and i pay correctly with my Visa credit card but i canot install to my Macbook...all the timeits saying:The product distribution file could not be verified. It may be damaged or was not signed.
What i have to do?Re-download or contact customer service. Contacting Apple for support and service
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When I try to purchase Mountain Lion i get an error message: "We could not complete your purchase. The product distribution file could not be verified. It may be damaged or was not signed."
I can purchase other apps, why not Mountain Lion. I get the same message on my wife's IMAC.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.
Hope it helps. -
While upgrading Kindle from Mac App Store I get the message 'The product distribution file could not be verified. It may be damaged or was not signed.' How can I fix it?
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 then move the NetworkInterfaces.plist file from the SystemConfiguration folder to the Trash.
Relaunch the App Store and try downloading Mountain Lion. -
I cannot download OS X Mountain Lion, I get an error message that says: "We could not complete your purchase. The product distribution file could not be verified. It may be damaged or was not signed." Why am I receiving this message?
Servers may be overloaded.
One user reported:
Deleted file com.apple.appstore in /var/folders/, dissabled VirusBarrier X6: problem solved! -
when ever i'm tring to install an app from the app store i'm getting the following error.
"We could not complete your purchase - The product distribution file could not be verified. It may be damaged or was not signed".
someone plz help me to overcome this.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 -
The Mac App Store shows an update available for iMovie but when I click "update" it gives me this message, "The product distribution file could not be verified. It may be damaged or was not signed." What can I do to update this program?
http://www.apple.com/support/mac/app-store/contact.html?form=account
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Why am I getting an app store error when trying to download Lion?
Why am I getting an app store error when trying to download Lion? Any ideas?
I would complain really bad and get them to give you a Flash card that they just came out with because they've inconvenienced you so much and you don't have hours to spend at the apple store waiting for the whole thing to load.
The only thing about the flash cards is that it will change your whole motherboard so it won't allow you to install snow leopard or anything less, ever again. (as what the apple specialist told me over the phone).
I would also suggest waiting. It really isn't worth the hastle and you may not benefit from installing it on your old computer... just a thought. -
When I try to upgrade to Mountain Lion OS form Lion OS, after I select the "Buy App" option I get this "We could not complete your purchase. The product distribution file could not be verified. It may be damaged or was not signed" message, what is causing this problem, how can I find a solution, is someone else having this problem?
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 have tried to re-install Lion, delete different cach folders, etc., nothing is working - I keep getting the same message:
We could not complete your purchase
The product distribution file could not be verified. It may be damaged or was not signed.
Please can anyone be of kind assistance.
Thank you!
Zanjan FromerI have tried to re-install Lion
If you are trying to reinstall Lion, you need to use Lion Recovery
Why can't I purchase and download Mountain Lion? I get the following message: The product distribution file could not be verified. It may be damaged or was not signed.
For that issue, 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 MLion.
***** Your post is rather confusing. There's a difference between reinstalling Lion and downloading Mountain Lion. -
I keep getting the message "The product distribution file could not be verified. It may be damaged or was not signed." Does anyone know what I can do to correct this so I can download OSX?
I have a MacBook Pro with all the necessary requirements.Here are a few things to try:
Restart your Modem and Router.
Reset iTunes Store Cache (iTunes Preferences, Advanced tabl)
Delete the App Store plists (close App Store first):
~/Library/Preferences/com.apple.appstore.plist
~/Library/Preferences/com.apple.storeagent.plist
To get to these,iIf you still have your user Library hidden, hold down the Option key and select Library from the Go menu in Finder. Otherwise, just go into your home folder, then Library, and then Preferences. -
Can someone help out. I'm getting this message when i try to download. The product distribution file could not be verified. It may be damaged or was not signed.
See this link from another similar question. It may need patience to resolve. I think Thomas Reed's suggestion is best place to start.
App Store rejects buy of Mountain Lion: Apple Support Communities -
I just tried to buy Mountain Lion but I am getting this message, yes, even after I reboot: The product distribution file could not be verified. It may be damaged or was not signed.
I don't understand what this means? Is my MacBookPro too old to work with Mountain Lion?The Apple Support Communities are an international user to user technical support forum. As a man from Mexico my first language is Spanish. I do not speak English, however I do write in English with the aid of the Mac OS X spelling and grammar checks. I also live in a culture perhaps very very different from your own. When offering advice in the ASC, my comments are not meant to be anything more than helpful and certainly not to be taken as insults.
Always search the forum before posting. This is asked at least three times just below your post.
https://discussions.apple.com/thread/3604789?tstart=0
https://discussions.apple.com/thread/4153268?tstart=0 -
How do I get an App store icon for Mac on my dashboard
how do I get an App store icon for Mac on my dashboard
Are you on 10.6.8 or Lion? It should have been placed there automatically during the install; otherwise, simply go to your Applications folder and drag the icon to the dock.
If you're not on one of those OS versions, post back with your version.
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