HT201364 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.

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

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HT201272 I get this message when I try to download purchased music, never seen it before, never had a problem before. you do not have enough access privelages for this operation

I get this message when I try to download purchased music, never seen it before, never had a problem before.
"you do not have enough access privelages for this operation"
This computer is authorized, auoto download is enabled and I can download on my ipad without a problem.
Any ideas what might be going on?

Hi jimbowby,
If you are getting this error message just when attempting to download previously purchased music (new purchases work fine), and it's only occuring on the computer (redownloads on the iPad work fine), it may be a permissions issue. It may be worth taking a look at the Resolution section of the following article, which covers other issues that can throw that same error message: Trouble adding music to iTunes library or importing audio CD Hope that helps.
Cheers,
- Brenden

HT1338 Getting this message when I try to update The operation couldn't be completed. (NSURLErrorDomain error -1100.)

Getting this message when I try to update The operation couldn’t be completed. (NSURLErrorDomain error -1100.)

There are many people suffering from this problem right now (including me). It appears to be a server issue. Just wait and try checking for updates again tomorrow.
Some things I have heard indicate that this may be a regional problem, though what parts of the world are affected I don't know yet. A few people have been helped by deleting the following preference file (paste the path into the Go -> Go to Folder window in the Finder to locate it), though most have not:
~/Library/Preferences/com.apple.SoftwareUpdate.plist

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/
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HT4463 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

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.

Getting this message when I try and download an app... We're sorry, we cannot complete your request tot he Itunes store

getting this message when I try and download an app on my new Iphone 4s... We're sorry, we cannot complete your request tot he Itunes store

Same here.
The account I always use shows this error when I login itunes
But other accounts that i rare use is fine

HT201364 The product distribution file could not be verified. It may be damaged or was not signed. I get this message when I try to download mavericks. can anybody help?

I have a 2011 macbook pro 13 inch. when I try to download mavericks I get a message saying the product distribution file could not be verified. It may be damaged or missing. Please help.

Mavericks installer can’t be verified

HT3275 Can anybody help me. I get this message when am trying to do my backup:The backup disk image "/Volumes/Data/Anne Prybyla's iMac.sparsebundle" is already in use.

When i try to use time Machine for my backup i get this message: The backup disk image "volume/data/AnnePrybyla's imac.sparsebundle is already in use. What can i do

Look over to the right of this page under the heading of More Like This for multiple answers and solutions to this bug.

I am trying to buy Mountain Lion but I am getting this message: The product distribution file could not be verified. It may be damaged or was not signed.

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

I get this message when I try to Play iTunes album:

I get this message when I try to Play iTunes album: Adobe Reader could not open 'Digital Booklet - Oh, What a Life.pdf' because it is either not a supported file type or because the file has been damaged (for example, it was sent as an email attachment and wasn't correctly decoded).
Do I need to set a different app to open the file? if so which one?
Thanks for reading.
Simon

Hi ihrtthecowboys,
When tracks in iTunes display a it means the file cannot be located; it may have been moved or deleted. For this issue, see the following article:
iTunes: Finding lost media and downloads
http://support.apple.com/kb/TS1408
Alternatively, if your media was downloaded from the iTunes Store, you may be able to download it again free of charge:
Download past purchases
http://support.apple.com/kb/HT2519
Thanks,
Matt M.

I did the iTunes update yesterday and now I am getting this message when I try to open iTunes - "This copy of iTunes is corrupted or is not installed correctly. Please re-install iTunes. (-42037) Can anybody help me out resolving this?

I did the iTunes update yesterday and now I am getting this message when I try to open iTunes - “This copy of iTunes is corrupted or is not installed correctly. Please re-install iTunes. (-42037) Can anybody help me out resolving this?

Download iTunes using the tab at the top of this page, re-install. Back up your computer first.

Unable to update to ios 5 on windows 7. please can someone help me i have tried everything? i deleted itunes and downloaded the new version when i plug my iphone 4 in it does a back and then I try and update the software it extracts error 3194

unable to update to ios 5 on windows 7. please can someone help me i have tried everything? i deleted itunes and downloaded the new version when i plug my iphone 4 in it does a back and then I then everything runs normal and it extracts and then i get an error code at the end 3197. had the iphone for two months and its new.
Please can somene help me, i am currently on version 4.3.3 (8J2)
Modem Firmware 04.10.01

followed someones instructions and it has worked ios 5 is now working on my iphone 4

Error Message: I keep getting this error when I try to download apps or songs : MZCommerce.CreditBalance Mismatch.Mobile_message Can someone tell me how to get rid of this? It is very aggravating when trying to use the IPAD.

I keep getting this error when I try to download apps or songs : MZCommerce.CreditBalance Mismatch.Mobile_message Can someone tell me how to get rid of this? It is very aggravating when trying to use the IPAD.

Try to go to Settings and then Store. Tap to your Apple ID and select View Apple ID. Now choose to check your payment information and when you're done tap Done. I had to rewrite my three digit code of the credit card and now it works.
Oh, I also activated Genius for Apps but I don't think it makes any difference.

HT201364 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 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.

HT201364 trying to download os x mavericks and i get an error saying "The product distribution file could not be verified. It may be damaged or was not signed." how do i fix this so i can update my new macbook pro?

"The product distribution file could not be verified. It may be damaged or was not signed."
please help! i want to update my computer!!!

"Update your new MacBook Pro"?
Well, if your MacBook Pro is new, it already has Mavericks installed and there is nothing to update.
Go to the Menu Bar, and click the Apple logo. Then click "About This Mac." Does it show OS X 10.9 or 10.9.1?
If so you are already running Mavericks.

HT201364 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.

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