Cannot run Quicktime or iTunes - Data Execution Prevention

I have tried to install quicktime and itunes and when i run them windows vista home tells me that Data Execution Prevention has closed the application. I have removed itunes and quicktime and just tried installing quicktime - and i get the same error.
I tried turning off DEP for quicktime - but windows tells me that it cannot be turned off for Quicktime.
Any solution to this?
Thanks!

What are you doing when iTunes or Quicktime crashes? Does it crash on launch?
Have you ever installed a 3rd party Quicktime alternative -- i.e. you downloaded and installed Quicktime from a non-Apple source? (There are some codec vendors that repackage / redistribute Quicktime. I recommend only installing Quicktime from the Apple web site or Apple Update Software.)
When you uninstalled Quicktime, did you do the scorched earth version of the Quicktime uninstall -- where you uninstall, then run the Microsoft Installer Cleanup Utility and then manually search for Quicktime files (particularly in your system folder) and delete them?
What I'm concerned about is that you have a partial, non-standard Quicktime install on your machine.
Do you have any third party iTunes plugins or Quicktime codecs installed?

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ITunes & Data Execution Prevention

So I updated my itunes on both my HP computers. It worked fine on one but on the other a lot of problems occurred ending with a box popping up that said iTunes was being shut down due to a problem and then a small bubble saying that Data Execution Prevention had shut down iTunes. After following the instructions of trying to remove a program from DEP, it won't allow me to add iTunes to that list. Is there any way to fix this so I can get my full library back? I'm scared to uninstall iTunes since both my iPod and iPhone are tied to it.

but on the other a lot of problems occurred ending with a box popping up that said iTunes was being shut down due to a problem and then a small bubble saying that Data Execution Prevention had shut down iTunes. After following the instructions of trying to remove a program from DEP, it won't allow me to add iTunes to that list.
Checking on a possibility with that one.
Have you ever installed on that PC an ACE or K-Lite Mega Codec pack, a version of the programs QT Alternative, QT Lite or Storm Codec, or some media conversion software that can convert file to-or-from QuickTime-readable formats?
(Checking because those programs can install older "QuickTime" componentry on the PC that can interfere with the running of a higher version of QuickTime, and therefore cause iTunes problems.)

Itunes data execution prevention error. help! thanks..

I get Data execution prevention error. tried to turn off but without success. also uninstalled itunes and quicktime and deleted every regedit. again , with no success. tried to run DEP with exception and nothing. any suggegstions ? thanks!

Can you check something for me please, amir? Is your QuickTime Player currently failing to launch too? (Knowing whether it does or not can give us a heads up on what is causing the iTunes DEP.)

Cannot print pdf close program data execution prevention

when i try to print a pdf (acrobad standard 8) it closes program and gives me "data execution prevention" windows closed this program to protect ... how do i fix this? this was not happeneing a couple weeks ago...

I am having the same problem with Acrobat Reader X.
I am using Adobe Reader X and am constantly getting a Windows "data execution prevention" error every time I open and close a pdf file. What can I do to resolve this as Windows says it can not shut off "data execution prevention" for Adobe reader?

Updated latest version of itunes onto windows xp.Can't open it.The Data Execution Prevention window comes up.I have followed all the directions of changing the settings.I have updated Quicktime.Still can't open it.

I updated the latest version of itunes onto my pc (windows xp) and all of a sudden I can't open it up. Everytime I try to open it I get a window that says: "Data Execution Prevention - Microsoft Windows...To help protect your computer, Windows has closed this program. Change settings." I have tried to change the settings. Uninstalled & reinstalled itunes. Updated the lates version of quicktime. Nothing has helped. If there is anyone who has a suggestion I would appreciate it. I am at my wits end with this. Thank you in advance for all your suggestions.

If anyone is looking at this and would like to know what I did to finally get it to work, I did the following: I right click on the itunes icon on my desktop.......clicked on "run as"........made sure that it ran as administrator. This finally worked for me. Hope you all find this info helpful.

Data Execution Prevention in Vista prevents itunes from running. WHEN IS APPLE GOING TO ADDRESS THIS ISSUE?

Is there no solution to this problem? The Windows site says keep checking the Apple site to get a version of iTunes that is compatible with the issues between the Data Execution Prevention in Windows Vista and any of the later versions of iTunes. Problem is, IT DOESN'T SEEM THAT APPLE REALIZES THERE IS A PROBLEM THAT NEEDS TO BE ADDRESSED. If there is a solution, or a patch that can be downloaded, or anything, I would really appreciate knwoing about it. The last time I had this problem was when I updated to iTunes 10.0. It took most of 3 weeks to figure out a fix for that. Now, I have a new phone, and it will not sync unless itunes 10.5 or later is installed. I tried updating to that, and now I'm back to square one with the DEP problems. Please help!!!! thanks!!

OK, lets do a complete overhaul to make sure it's working ok.
First to check your Windows system file for any corruption:
Go to command prompt (START/ALL PROGRAMS/ACCESSORIES right mouse click "command prompt" and choose "Run as Administrator"
type in
sfc /scannow
let Windows fix any system files that need to be repaired.
Restart the computer.
Start iTunes and see if it is ok.
If it doesn't, will have to go through the whole process of uninstalling and installing acccording to the following steps:
1. Go to Microsoft website to fix install and Unistall problems. Click "Run now" from Fix it to remove all iTunes & related installer files:
http://support.microsoft.com/mats/Program_Install_and_Uninstall
Be aware that Windows Installer CleanUp Utility will not remove the actual program from your computer. However, it will remove the installation files so that you can start the installation, upgrade, or uninstall over.
2. You should remove all instances of iTunes and the rest of the components listed below:
it may be necessary to remove all traces of iTunes, QuickTime, and related software components from your computer before reinstalling iTunes.
Use the Control Panel to uninstall iTunes and related software components in the following order:
iTunes
QuickTime
Apple Software Update
Apple Mobile Device Support
Bonjour
Apple Application Support (iTunes 9 or later)
(Referenceinstructions from Apple article listed here: http://support.apple.com/kb/HT1923 to remove all components)
3. Reboot your computer. Next, download iTunes from here:http://www.apple.com/itunes/download/ and install from scratch

HT201413 I have a Windows XP Home Edition computer. I recently attempted to upgrade iTunes to v10.7. It loaded and installed OK, but now it won't run. When I try to launch it, it gets aborted by the windows Data Execution Prevention software. Any ide

I have a Windows XP Home Edition computer. I recently attempted to upgrade iTunes to v10.7. It loaded and installed OK, but now it won't run. When I try to launch it, it gets aborted by the windows Data Execution Prevention software. Any ideas?

Yes, this did solve the problem. But I had some trouble updating QuickTime. It failed, with the installer complaining that it did not have the required permissions to install the files it needed in the program directory. I got it to work by telling it to install the files to another directory. All seems well now - Thanks!

Can't run itunes on Vista - Data Execution Prevention issue

Have installed iTunes on vista successfully. When I try to launch, was prompted to re-install iTunes again... digged a bit and came across this Data Execution Prevention issue...
Any idea how to solve this issue?

The following polydorus post is a good place to start with a DEP error:
http://discussions.apple.com/thread.jspa?messageID=10345363&#10345363

Data Execution Prevention stops quicktime playing.

I can't get quicktime to play at all, every time I try Data Execution Prevention stops it.
I have tried to turn off DEP for quicktime but it won't let me.
I have uninstalled and reinstalled both quicktime and i tunes, also removed any Codec Packs I had installed,( I read to do this on another forum).
Still windows won't let quicktime play, either stand alone or on the net.
I am running Windows Vista.
Thanks for any help in advance.

Just to say "me too".
Fresh copy of Vista, fresh download of itunes & quicktime, installed - quicktime won't start because of a DEP, uninstalled & reinstalled - the same, cannot turn off DEP for Quicktime.

Data Execution Prevention preventing iTunes from working

I have iTunes 8.0.2.20 running on Windows Server 2008 SP1. Whenever I plug in my iPod Nano, Data Execution Prevention (DEP) shuts down iTunes. I can't create an exception for iTunes in DEP since it gives the following error message:
+"This program must run with data execution protection (DEP) enabled. You cannot turn off DEP for this program."+
Any ideas on what might be causing this issue?

No, i do not have quickTime player.
I have tried to close dep off for iTunes but failed to do so as i got a msg that iTunes can't work without Dep in execution data prevention.

Itunes wont open because of Data Execution Prevention?

itunes wont open because of Data Execution Prevention?

Hello, ollieallen.
I am unsure what operating system you are running so I am going to include articles for Windows XP and Vista, 7 and 8. Completely uninstall all components of iTunes and then reinstall the program.
Removing and Reinstalling iTunes, QuickTime, and other software components for Windows XP
http://support.apple.com/kb/HT1925
Removing and reinstalling iTunes, QuickTime, and other software components for Windows Vista or Windows 7
http://support.apple.com/kb/HT1923
Cheers,
Jason H.

Data Execution Prevention will not allow iTunes to open.

This started when I plugged in my iPhone to update it. Data Execution Prevention closed the program then, and I can't open it again. I have completely deleted all Apple programs from my computer. I deleted all temporary files, defraged my hard drive, ran virus protection, restarted my computer and downloaded iTunes 10.0 AGAIN for at least the 10th time. It always appears to install correctly, but when iTunes is supposed to open afterthe install tool closes, I get the "iTunes has stopped working. Winidows is checking for a solution" message. Then Windows automaticly closes iTunes and I get the message that DEP has closed iTunes.
Prior to trying to update my iPhone (which started all this) I was running iTunes 9. I never had any problems with it. (Is there somewhere I could go to download this version?)
At the moment, I do not have Quicktime installed because I deleted it, and it was not installed the last time I installed iTunes. iTunes still will not open.
I enabled myself as administrator, and moved other users to "Standard" in the Vista User Account Control.
I am using Windows Vista Home Premium 32-bit. Apple only gives the option of installing the 64-bit version of iTunes.
Is this just a bug in the iTunes update, or what. I would really appreciate any help I could get with this. I have been reading suggestions and solution on these boards for the past 2 days, and nothing has worked so far.
Thanks!

For general advice see Troubleshooting issues with iTunes for Windows updates.
The steps in the second box are a guide to removing everything related to iTunes and then rebuilding it which is often a good starting point unless the symptoms indicate a more specific approach. Review the other boxes and the list of support documents further down page in case one of them applies.
Your library should be unaffected by these steps but there is backup and recovery advice elsewhere in the user tip.
If you've already tried a complete uninstall and reinstall try opening iTunes in safe mode (hold down CTRL+SHIFT as you start iTunes) then going to Edit > Preferences > Store and turning off Show iTunes in the Cloud purchases. You may find iTunes will now start normally.
tt2

HT201413 suddenly itunes will not open and I get a message that the "Data Execution Prevention" is blocking itunes from opening....why????

itunes will not open and I get a message that the "Data Execution Prevention (DEP)" feature in Windows is preventing it from opening. (this is after I've been using itunes for years???? If I try to manually deselect itunes from the DEP filter, of course I get a message that itunes cannot operate without the DEP active...another Catch 22 from the evil program designers....

Go to Control Panel > Add or Remove Programs (Win XP) or Programs and Features (later)
Remove all of these items in the following order:
iTunes
Apple Software Update
Apple Mobile Device Support (if this won't uninstall move on to the next item)
Bonjour
Apple Application Support
Reboot, download iTunes, then reinstall, either using an account with administrative rights, or right-clicking the downloaded installer and selecting Run as Administrator.
The uninstall and reinstall process will preserve your iTunes library and settings, but ideally you would back up the library and your other important personal documents and data on a regular basis. See this user tip for a suggested technique.
Please note:
Some users may need to follow all the steps in whichever of the following support documents applies to their system. These include some additional manual file and folder deletions not mentioned above.
HT1925: Removing and Reinstalling iTunes for Windows XP
HT1923: Removing and reinstalling iTunes for Windows Vista, Windows 7, or Windows 8
tt2

Itunes shuts down because of Data execution prevention on windows?

I open itunes, and about 5 seconds later it shuts down and has a "Data Execution Prevention-Microsoft Windows" window, and it says Windows has closes this program to protect my computer. Help?

Hello, ollieallen.
I am unsure what operating system you are running so I am going to include articles for Windows XP and Vista, 7 and 8. Completely uninstall all components of iTunes and then reinstall the program.
Removing and Reinstalling iTunes, QuickTime, and other software components for Windows XP
http://support.apple.com/kb/HT1925
Removing and reinstalling iTunes, QuickTime, and other software components for Windows Vista or Windows 7
http://support.apple.com/kb/HT1923
Cheers,
Jason H.

HT1222 "Data Execution Prevention" not letting ITunes launch. How do I remove DEP?

How do I get rid of Data Execution Prevention!!!??? All of a sudden this annoying little program wont allow me to open Itunes!! I tried turning it off the way they said to but it still blocks itunes. I even reinstalled Itunes No luck I still cant use Itunes HELP!!!

And no problem for "barging in"; your expertise in solving Windows issues is always welcome. Cheers.
Thank you.
The situation with these changed up a bit with the introduction of the iTunes 10.5.x versions and above. (A "new problem wearing old trousers" event.) I have a note in the Full Host Bar about it, though it's speculative. Here's the content of the post there:
There's various possible causes for DEP errors when launching iTunes for Windows. But in recent times we've been able to get past a number of them by updating folk's QuickTime Player to the latest version. For example:
Re: When I tried to update to 10.6.3 it failed
The interesting thing about that is that since iTunes for Windows 10.5.x, you aren't supposed to need QuickTime for Windows componentry to be installed in order for iTunes for Windows to launch. So it's not likely that the DEP errors are being caused purely by the lack of QuickTime componentry on the PCs in question (or by the lack of new-enough versions of QuickTime componentry on the PCs in question).
One putative mechanism for what's going on.
I've noticed (in the course of other experimentation) that if the QuickTime Player is uninstalled on an XP system and iTunes for Windows (some version post 10.5.x) is launching, I can get a message saying that certain kinds of content can't be played because QuickTime isn't installed.
So there's a task performed by iTfW when launched to check on the presence of certain types of QTfW componentry. If the answer is "that componentry is not present", a routine is run that shows the dialog saying that certain content can't be played.
It's plausible that Data Execution Prevention is interpreting the routine that produces the dialog as being a malicious act on some systems, and throwing the DEP error when the routine is run.
That would explain why updating (or possibly installing) the latest version of the QuickTime Player is getting people past the DEP errors. The check for QTfW componentry is run when itunes launches, but it determines that the componentry is present. So the routine that produces the dialog isn't run, and Data Execution Prevention doesn't feel compelled to throw the DEP error.

Cannot run Quicktime or iTunes - Data Execution Prevention

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