Unable to load quicktime or itunes

for some reason when I click to load either quicktime or itunes, neither one seems to want to load, as in no relative window or taskbar appears. I've updated both programs to their latest versions (itunes 7.1 quicktime 7.1.5) and I've reinstalled numerous times and I have also reset my permissions and its still a no-go. However on previous occasions on some random days both programs would load just fine, but more often than not they would not load at all. I have yet to come to a conclusion but I am begininng to think it may involve something to do with either my pro tools program or my logic pro program. I am also aware that in order to run itunes, quicktime must be able to run. I figure the main problem is quicktime. Please help!!! Im so confused.
G4 Powerbook Mac OS X (10.3.9)

I agree.
ProTools has had numerous update to their software so that it plays nice with newer versions of QuickTime.
It could even be caused by connected devices and then compounded by out of date software.

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Tried to down load quicktime with itune. It tells me i need 64 bit version. where do i find that

tried to down load quicktime/itunes for Windows 7. It tells me i need 64 bit version. where do i find it?

Try the following downloads page, bob:
http://support.apple.com/kb/DL1047

I am unable to load the newest itunes update to my 10.5.8 osx. The update requires 10.6 so this makes me unable to sync my updated phone and ipad with my imac. Solutions?

I am looking for suggestions and possibly a solution to the following problem: The new itunes update requires at least a 10.6 os.x. My imac is a 10.5.8. I am unable to sync my iphone or ipad, which both have the update, with my imac. Any help would be greatly appreciated.

You need to buy a Mac OS X 10.6 DVD and run the 10.6.8 combo updater.
(93826)

Unable to install Quicktime and itunes

Hi,
I am getting beyond despair and desperate for help on this please (I have spent hours and hours and still no further forward).
I am running XP with service pack 3 installed. Windows updates are up to date.
When iTunes 9 first came out it wanted to update but returned an error: -
"The installation of QuickTime did not complete successfully. ITunes requires QuickTime"
I therefore took the advice posted on Apples support site to download and install QuickTime separately.
Attempting the Quicktime installation first, after installing the Apple Application Support and Apple Software Update elements (I can see these in the add/remove programmes utlility) the installation crashes with the error message-
"The installer encountered errors before the required operation for QuickTime could be completed. To retry these operations at a later time, please run the installer again".
I have since followed the advice here: -
http://support.apple.com/kb/TA44469
and here
http://support.apple.com/kb/HT1926
- this includes all items through to and including the Additional Troubleshooting.
In addition, I have searched for and deleted all the .msi files relating to iTunes, QuickTime etc.
One thing that I could not do is to attempt an install through Safe Mode. Windows would not allow it (even though I was logged on as administrator).
Where do I go from here?
Please help -life's too short to loose 2 days getting Itune to work!

Great catch, Diane!
Following hard drive problem a few months ago, I had reinstalled XP onto a new primary drive, labeled F. A second drive is also installed on the machine, labeled C, which had come from another computer. This also has a copy of XP in it, although it does not boot from this drive. In this case however, the path for the msiexec service was pointing to the old C drive.
Crikey. I've seen documentation on that sort of thing as a possible cause of Invalid Drive installation error messages, but I don't think I've ever seen it reported before "in the flesh" (as it were). I don't think I'd have thought to check on that at all with your error messages.
Glad you got things working, Diane. Many thanks for letting us know about your resolution.

Also unable to uninstall quicktime - so Itunes new download will not work

I even tried deleting ITunes and now I can't even reinstall it because I get the error telling me that previous edition quicktime cannot be uninstalled. Now What???

Thanks! So I would need to manually upgrade to Snow Leopar
d, then 10.6.8 right? Because it is not showing as an option on Software Update. I purchase Snow Leopard and then take it from there?
And will memory be an issue? Here is what I currently have:
Intel Core 2 Duo
Memory 2 GB
L2 Cache 4 MB
Will I be ok with this?

Unable to load Quicktime

I am getting an Error 1402 Could not open key, while trying to install quicktime. The error is telling me the registry key is HKEYLOCALMACHINE\Software\Microsoft\Windows\Current version\Uninstall\Quicktime. When I do REGEDIT, it will not let me delete this key either. HELP
Windows XP Pro
Windows XP Pro

I agree.
ProTools has had numerous update to their software so that it plays nice with newer versions of QuickTime.
It could even be caused by connected devices and then compounded by out of date software.

Rental video says unable to load on ipad

I've rented a few videos in iTunes, and want to download to my iPad2, but keep getting an error message on the iPad that "The video is unable to load". In iTunes, the videos are in my library, and even indicate that they are on my iPad. I can SEE the videos on the iPad in rented videos, but when I click play on them, that's when I get "The video is unable to load". I've updated both my iTunes and iPad, and don't know where to go from here. Help!

As is always the case as soon as I posted this I found the solution! In the downloaded section you just need to delete the "unable to download" episodes. There is no 'edit' button but instead you swipe left in the relevant episode's box which brings up the delete button. You are then able to redownload the episodes from the iTunes purchased list and they do download this time. Happy days!

ITunes was unable to load dataclass information from Sync Services

Hi,
I have Iphone 3GS with the latest version 3.1.3 and iTunes 9.1. After i uograded my iPhone to the latest version i am not able to sync with the iTunes and receive the message "iTunes was unable to load dataclass information from Sync Services, Reconnect or Try later". I am using Windows XP with Symantec Endpoint protection.
I have tried following steps to troubleshoot the problem but all my attempts have failed,
1. Uninstall iTunes by Removing, iTunes, QuickTime, BonJour, iPhone congiguration Utility and Bonjour. Remove all the iTunes and related folder from the C:/ drive
2. Restart the computer and intall the latest version of iTunes and Quicktime
3. Restore the iPhone to the factory settings using iTunes
4. Restart the system as well as hard Boot the iPhone (Hold Start and Wake/Sleep Button)before connecting again
5. Repeat the Steps 1 and 2 after restoring the iPhone
I am still getting the same error and now I can't even open the first page for iPhone in iTunes when I connect it to my computer. All my content is still in iTunes but everything is lost on the iPhone.
I searched the Apple support and they talk about problem with the Symantec Endpoint. I have the latest version of Symantec endpoint way above what is mentioned on the Apple support page.
Can someone please help me, it seems restore worked for most of the people facing this issue, but for me even restore is not working.
With Regards,
Ankur

I got a present of an itouch. This is my first time back to apple after 5 years. I cant get my itouch to sync due to dataclass error on Windows XP pro. I have installed the latest version of itunes 9.2.1.
WHAT IS THE POINT IN OWNING A DEVICE FOR PLAYING MUSIC WHEN YOU CANT LOAD THE MUSIC !!!!!
Does anyone have a solution or alternatively (shock horror) Apple could actually get its AR*E in gear and fix the problem. I would also suggest that Apple would post a friggen solution on its website, but no that may be too much to ask.
very frustrated. any help gratefully received otherwise the touch gets thrown out.
thanks

ITunes was unable to load dataclass information from Sync Services-Solution

Hello all. I recently upgraded to iTunes 9.1.1.12 on a laptop with Windows XP Pro and the latest iPhone OS (as of May 16,2010). Right after that, I started getting the "iTunes was unable to load dataclass information from Sync Services" error message. After I dismissed that window, it would go ahead and indicate that it was synching for a minute or two, and then indicate (in iTunes) that it was backing up the iPhone. This will run forever unless cancelled and the phone would not synch.
After reading various solutions that worked for others (install Mobile Me, reinstall itunes, run diagnostics, all with numerous reboots in between), this is what worked for me:
1) Open up Windows Services, and stop the Apple Mobile Device and iPod Service, and mark them as manual (as opposed to Automatic).
2) Deinstall iTunes
3) Delete the c:\program files\common files\apple folder (and all sub folders within). This is where the services are stored, and when I did all of these steps without doing this step, it didn't fix my problem. By deleting this folder, you insure that the iTunes install reinstalls these. You should see the services that were stopped in step 1, running again after the install is done. Note: I don't use Safari or QuickTime on my laptop, so I can't say whether or not this step would have any impact on those apps.
4) Reinstall iTunes.
5) Connect the iphone to your computer.
6) At this point, I still got the dataclass error, so I immediately cancelled the synch.
7) Run the diagnostics for the iphone (connectivity and synch).
8) At this point, two DOS windows launched, and I did get another error about being able connect to the synch server.
9) Closed the error message and disconnected the iphone (the phone at this point did not indicate that a synch was occurring).
10) Reconnected the iphone and, voila, it's been working fine ever since.
Hope this helps someone else out until Apple deals with the 9.1.1.12 (and .11) issues with synching.

Either do Windows Control Panel → Administrative Tools and then picking "Services" or typing "Services.msc" in the Run command on Start menu.

Itunes was unable to load provider data from sync services. Reconnect or try later

Hi everyone
This issue has got me stumped.
I have a Dell Vostro desktop computer with Windows 7 SP1 64 bit edition.
I used to be able to sync now I cannot bakup or sync.
The device is an iphone 4s with the latest software IOS 5.1.
Itunes is version 10.6.0.40, the latest.
To try to fix this problem I removed itunes/quick time completely. Removed Bonjour, Apple Application Support, Apple Mobile Device Support, Apple Software Update,
Deleted the itunes and quick time folders, the common file folders and files, deleted anything related to able under appdata local and roaming, removed apple folder under program data, scanned through registry and removed all apple entries.
Then I rebooted the computer, re-installed itunes/quicktime and have the same error appear again.
I have gone through this process at least 5 times , but still keep getting the same error, cannot go past it.
I found a solution on this forum but it only applies to MACOS, could not find anything suitable for windows 7 environment.
Also searche the web high and low and tried several different advice from people.
This has to be a bug with Itunes! I would like to hear from Apple developers and programmers why I have to suffer so much to sync my device.
As a last resort I am planning to rebuild windows 7 from scratch but is is a big job.
Tried also to disable firewall, antivirus, check the apple windows services are running, nothing works to get me past this error.
Please help someone!
Thanks and regards
Alfred

Did you have a look ath this (rather) long thread about it?
https://discussions.apple.com/message/17214161#17214161 , for example:
danielfromkongsvinger
Re: Unable to load provider data from Sync Services
16.12.2011 20:21 (in response to wisniak)
"I then followed a tip found in PCWorld and performed the following:
1. Make sure iTunes isn't running.
2. Click Start, type regedit, then press Enter.
3. Navigate to this Registry location: HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers
4. Look in the main pane for a key that refers to iTunes. If you find one, delete it, then exit the Registry.
5. Start iTunes. The offending message should be gone!"
This actually worked for me! I have struggeled with this error for years, and now it's gone. Thanks!

After downloading latest quicktime update, itunes store will not load

Has anyone had this same problem after downloading latest quicktime update. iTunes store will not load.

This happened to me today as well post installing the latest version of itunes. I did a search on google for the error and came across a recommendation to :
Note: Start Windows in Safe Mode to complete any of the following steps if you're unable to access Windows normally due to the msvcr80.dll error.
If, and only if, you're receiving the msvcr80.dll is missing error when you open Apple iTunes, do the following: (skip this step if your msvcr80.dll error is occurring with a different program)
Uninstall from Windows the following five programs in this order: iTunes, Apple Software Update, Apple Mobile Device Support, Bonjour, and finally Apple Application Support. If you have iCloud, remove it as well.
Uninstalling these programs in Windows is done from an applet in Control Panel called Programs & Features (in Windows 8, 7, or Vista) or Add or Remove Programs (in Windows XP).
Note: Songs and playlists in iTunes will not be removed when you uninstall the iTunes program or any of the other, already-mentioned Apple programs. If you'd still like to back them up, they're usually located in the My Music folder in Windows.
Download the latest version of iTunes from Appleand note the location you're saving it to so you can find it once it's done.
Run the iTunes installation as an administrator. If you're not sure how to do that, see How Do I Open an Elevated Command Prompt? for help. That procedure shows you how to open the Command Prompt program as an administrator, but the steps are essentially the same for anything, including the iTunes installation package you just downloaded.
A general overview of removing and reinstalling iTunes can also be found here on Apple's site but the above procedure seems to work better in this particular situation.

I AM UNABLE TO LOAD THE NEWEST VERSION OF ITUNES BECAUSE WHEN I RUN THE NEW VERSION, I AM TOLD THE OLD VERSION OF BONJOUR COULDN'T BE REMOVED AN I WILL NEED TECH SUPPORT. IS THERE ANY THING ELSE I CAN DO BEFORE I PAY TO HAVE TECH SUPPORT HELP?

I am unable to load the newest version of itunes because when I run the program, i am told the old version of Bonjour could not be removed. As a result the program fails to run completely. What can I do to get the older version of Bonjour removed? I tried unsuccesfully to remove the older version of itunes

bobjbkln - Your link will not help. The supject is:
Removing and Reinstalling iTunes, QuickTime, and other software components for Windows XP
but the poster says he has a Mac with OSX 10.5.
For the original poster (OP), try posing in the iTunes form since now you have an iTunes problem, not an iPod problem.

When I connect my iTouch to my PC (windows 7) an error message is displayed reading "iTunes was unable to load dataclass information from sync services. Reconnect or try again later".

When I connect my iTouch to my PC (windows 7) an error message is displayed reading "iTunes was unable to load dataclass information from sync services. Reconnect or try again later". I have completely uninstalled and then reinstalled iTunes. I have also completely reset my iTouch to factory defaults. I have even followed all the advice provided previously to other forum member with the same problem. Nothing seems to work. Please help me someone.

I'm getting the same problem with both my IPad 4 and iPhone 5
Just started a few weeks back, Since then I have had two Itunes updates.
Is this something Apple is aware of and trying to fix?

Error on Desktop: iTunes unable to load data class information from sync services.

Error on Desktop; iTunes unable to load data class information from sync services.

Hi there Randall112,
You may find the troubleshooting steps in the article below helpful.
iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert
http://support.apple.com/kb/ts2690
-Griff W.

TS2529 iTunes was unable to load data class information from Sync Services. Reconnect or try again later is the error message I am getting when i connect my iphone 4 to my windows based computer. Any help out there?

iTunes was unable to load data class information from Sync Services. Reconnect or try again later. This is the message when I try to connect my iphone 4 to my computer. If anyone could help me with this, I would appreciate it.

iOS: Device not recognized in iTunes for Windows
http://support.apple.com/kb/TS1538
iOS: Device not recognized in iTunes for Mac OS X
http://support.apple.com/kb/ts1591

Unable to load quicktime or itunes

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