Cannot use itunes or quicktime since buying quickTime Pro

Itunes and Quicktime were working great. I purchased the key for QuickTime Pro and input it. Now, whenever I start itunes I get "please wait while windows configures itunes..." but it never configures.
When I click "Quicktime Player" I get "Could not load or find the quicktime active X control".
I have tried running both programs as an administrator, rebooting, reinstalling, etc. The programs are both hosed.
I tried the registry edits suggested. When running AS AN ADMINISTRATOR I get "pcast cannot be opened. An error is preventing this key from being opened. Access is denied"
How do I get this working again? I'm going to challenge the charge on my credit card if I can't get my system back the way it was.

I have the same problem. Is there any soluations?
Bob

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Cannot open itunes errorn2096 right clicked on quicktime player went to properties no compatibly tab

cannot open itunes errorn2096 right clicked on quicktime player went to properties no compatibly tab

You're on the right track, because this one is usually (at the moment) a compatibility problem. But if you're getting this when launching iTunes, instead try the following document, only be sure that none of the boxes in the compatibility mode tab are checked (not just the compatibility mode box itself):
iTunes for Windows: How to turn off Compatibility Mode

How to use itunes gift card to buy apps on ipad 2? Do I need a credit card for it?

how to use itunes gift card to buy apps on ipad 2? Do I need a credit card for it?

I'm sorry, but there is nothing that I can do to help you with this situation. I don't know why, but many people have problems when they try to buy gems in the Clash of Clans game. Personally, I wouldn't touch the game with a ten foot pole, but that's just my opinion.
You will have to contact iTunes Store Support and ask for their help. You can email them from here.
https://getsupport.apple.com/Issues.action

I've downloaded itunes 12.0.1.26 3 times after the update and it still doesnt work! Everytime i start it up it comes up not responding, why is this happening? how can it be fixed? I currently cannot use itunes!!!!!!

I've downloaded iTunes 12.0.1.26 3 times after the update and it still doesn't work! Every time i start it up it comes up not responding, why is this happening? how can it be fixed? I currently cannot use iTunes!!!!!!

Hey High Socks,
Thanks for the question. If I understand correctly, iTunes isn't working when you try to launch it. I would recommend that you read this article, it may be able to help you isolate or resolve the issue.
iTunes for Windows Vista, Windows 7, or Windows 8: Fix unexpected quits or launch issues - Apple Support
Thanks for using Apple Support Communities.
Have a great day,
Mario

My Windows XP computer becomes extremely slow when I try using iTunes. It cannot connect to iTunes Store. I tried uninstalling and reinstalling iTunes but nothing changes. I cannot use iTunes or sync my iPod anymore. Please help.

I cannot use iTunes anymore. My computer becomes extremely slow or just freezes. I notice the problem started after I updated iTunes to a new version. I have tried uninstalling iTunes completely from my computer and installing it back, but problem continues. We iTunes launches, it tries to connect to iTunes store, but it doesn't seem to be able to do that either. I can't sync my iPod or play back my music, please help.

With those symptoms, I'd try the following document:
Apple software on Windows: May see performance issues and blank iTunes Store
(If there's a SpeedBit LSP showing up in Autoruns, it's usually best to just uninstall your SpeedBit Video Accelerator.)

HT201413 upgrading from version 10- now i cannot use iTunes at all!

I downloaded the most recent iTunes software (upgrading from version 10) and now I cannot use iTunes at all! Upon opening iTunes, it says that "an unknown error occurred (-45054)". If i click "ok" itunes immediately closes itself...what do I do??

Hello KarmaThaPilot,
I located an article that may help you with the issue you're experiencing. Take a look under that heading titled "Using the Repair Privileges Utility."
Troubleshooting permissions issues in Mac OS X
http://support.apple.com/kb/ht2963
For Mac OS X 10.2 or later, open Disk Utility (/Applications/Utilities/). Select your Mac OS X startup volume in the column on the left of the Disk Utility window, then click the First Aid tab. Click the Repair Disk Permissions button.
Before performing maintenance such as repairing disk permissions, it's always best to perform a backup of critical files.
Mac OS X v10.5, v10.6: How to back up and restore your files
http://support.apple.com/kb/ht1553
Thank you for contributing to Apple Support Communities.
Cheers,
BobbyD

TS1292 Cannot use itunes card says already been redeemed but havent used it it plz help

Cannot use itunes card says already been redeemed but havent used it it plz help
<Edited By Host>

Most of the people on these forums, including myself, are fellow users - you're not talking to iTunes Support here. I've asked the hosts to change the title of your post as it appears to include the card number.
You've tried logging out and back into your account to see if the amount from it has been added to your account ? If it isn't then was the card complete when you bought it i.e. the part that you scratch off to uncover the code was still on the card ? If it was, and you've double-checked that you are entering the correct code, then try contacting iTunes Support (they might want images of the card and the receipt) : http://www.apple.com/support/itunes/contact/ - click on Contact iTunes Store Support on the right-hand side of the page, then iTunes Cards And Codes

HT4623 I trying to update my iPad using iTunes. After connecting to MacBook Pro where is installed all latest software iPad is recognised as iPad, Serial Number: n/a. iTunes run recovery mode, trying to restore iPad firmware, and in the end unknown error

There was some updayts for my iPad 4 automatically downloaded. After installing it, the iPad began to restart itself every few minutes.
I tryed to update my iPad using iTunes. After connecting to MacBook Pro, where is installed all latest software, iPad is recognised as "iPad", Serial Number: n/a. iTunes run recovery mode, trying to restore iPad firmware, and in the end unknown error occured (3). Tried many times, not results. And now iPad stays only in recovery mode, can't switch it off. How can I solve this problem please?

When I restart my iPad the connect to iTunes comes up and stays on until it shuts down again, I have read a report from Apple support suggesting I reinstall iTunes so I might try that again and also your suggestion which i shall also try, but thanks again - rg1547

I cannot use iTunes because I cannot upgrade quicktime

Apple has deviously inflicted more consternation that I thought possible upon me: I just want to use iTunes on my MacBook Pro I have had for a little over a year, and all of a sudden iTunes won't open.
I get this message:
iTunes requires QuickTime 7.5.5 or later.
and it tells me to upgrade quicktime, i download the upgrade, attempt to install it, and it tells me the installation failed due to damaged source file. But the source file is what I am downloading from Apple, who are really screwing me here (general inferiority of their products aside!) I have tried in vain to find online support, and have called Apple for support twice now, to say which I did not receive would be an understatement. The first guy told me he would e-mail simple steps to fix the problem -- I never got an email. I called again and a different woman told me it would be a violation of policy for her to email me any such help without my serial number, which I didn't have because I was not at home and anyhow the serial number isn't even listed under "About this Mac", furthermore all I wanted was assistance with a damaged file that they are offering for free download to the public.
Finally the woman told me I should download the latest version of iTunes and that would take care of it, giving me the impression that the newly installed iTunes would contain the requisite version of QuickTime, but this was not the case and now I have the new version of iTunes but it still will not open.
Please help me, I just want to use iTunes!

Go to Applications > Utilities, launch *Disk Utility*.
Select your HD, select First Aid, run *Repair Disk Permissions*.
If hat does not fix it, boot from your Install DVD, run Disk Utility then *Repair Disk*.

For some reason I cannot use itunes,it asks me to reinstall.How do I reinstall?

I have a new Macbook Air and I cannot use my itunes. It asks me to reinstall. How do I do that?

download the standalone installer from here and run it over the existing installation.
if that doesn't work, try removing iTunes completely (click here and follow the instructions), then reinstall it.

Cannot use 3G with macair since upgrading

cannot use my 3G since upgrading to Yosemite

You may need updated drivers. Since you've provided no details on the maker, I'll just say "Google it."

After Vista Install, cannot use iTunes

I had to do a clean install of Windows Vista on my computer. As a result, the hard drive was wiped clean and all information on my computer was erased. After the install, I downloaded the newest version of iTunes + the Windows updates for compatability and the Windows iTunes fixes. Now, when I plug in my iPod, I get this message:
"The iPod is synced with another iTunes library. An iPod can be synced with only one iTunes library at a time." I then have 2 options - Erase and Sync or to Transfer Purchases. When I try to transfer purchases, it will not let me because I am "not authorized" to play them on this library.
Can someone help?

Probably not a broken AAS then. If it is broken badly enough to give an "itunes has stopped working" message, QuickTime typically won't launch either.
My thoughts swing back to a font issue. Usually if a font is damaged, the iTunes error happens via the CoreGraphics.dll. For example:
http://discussions.apple.com/thread.jspa?threadID=2302801
Unfortunately, without a heads-up from the Problem reports about which font is/may-be damaged, checking on that possibility is going to be a pain.
Try going into your Control panel. Do you have a "Fonts" control panel in your Windows 7? If so, go into that and try steadily opening all the fonts, one by one. Does font viewer have difficulty displaying any of the fonts? If so, which ones do you have trouble with?

I cannot use itunes with windows 7. I think the problem has something to do with the fact that a 32 bit xp version was loaded on my machine. I can't uninstall it and the 64 bit version will not install.

I cannot use tunes with windows 7. A 32 bit xp version was loaded from my prior computer. It will not uninstall. The 64 bit version will noit install.

I cannot use tunes with windows 7. A 32 bit xp version was loaded from my prior computer. It will not uninstall. The 64 bit version will noit install.

Installed Itunes Version 7.7, now cannot use Itunes

After installing Itunes version 7.7, I now cannot open Itunes becuase it gives me the error of" The Folder iTunes cannot be found or created and is required. The default location for this folder is inside my "My Music" folder". I have uninstalled it and tried to install previous versions to no avail. I also tried the Microsoft Install Clean up utility and I still cannot install any version of itunes.

i have managed to solve it
what ive done is: went into apple updates and re-installed it, and this time everything is working properly
Hope if anyone else has this problem, this will help them

Did not update to ios8.2 still cannot use iTunes store

This situation appeared almost at the same time when I realised I couldn't use iTunes store in iPhone with IOS8.2.
However I didn't update my iPad to ios 8.2 and i can't use App store either.
What happened? Is IOS8.2 the real problem????

HI,
I have the same problem.
First, I tried to play a game but it didn't work.
So I signed out from Game Center and when I tried to sign in again, it said ''GKErrorDomain 3''.
Moreover, I can't install apps ...
I updated iOS but the issue isn't resolved ...
Bye.

Cannot use itunes or quicktime since buying quickTime Pro

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