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Microsoft, Vista, Home Premium Service Pack one, Data Execution Prevention (DEP) prevents Itunes from running, itunes was closed.to help protect your computer, Data Execution Prevention has  closed i

Posted on 2008-11-01
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Last Modified: 2013-11-06
how do I get around DEP. I have tried to turn off DEP for itunes by following microsofts recommendations (turn on DEP for all programs and services except...) but DEP returns that DEP must be running for itunes.
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Question by:fedupwithvista
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by:andrew_aj1
ID: 22857860
Are you installing the latest version of iTunes from Apples site?
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by:DMTechGrooup
ID: 22857862
See if this helps.. Looks like uninstalling itunes and quicktime then reinstall worked for these people.

http://discussions.apple.com/thread.jspa?threadID=1764798&tstart=30
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by:fedupwithvista
ID: 22857906
andrew aj1: I have downloaded itunes 8 from apple

Dmt: I have uninstalled and reinstalled both itunes and Quicktime. still getting same error

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by:DMTechGrooup
ID: 22857940
I would uninstall both again.. and then use the Windows Installer cleanup tool to make sure there are no other quicktime apps showing up..

http://discussions.apple.com/thread.jspa?messageID=8380496

http://support.microsoft.com/kb/290301



Instructions:


login and use an administrative privileges account. If you dont know what that is and own your own computer, it should be set to that on logon anyways.

Note:
you first have to open an Explorer window and select Tools-->Folder Options from
the menu, then the View tab, and click the radio button for show hidden files and folders,
and then the Apply to All Folders and OK buttons. You can restore that
default by unchecking and applying it after you finish this task.


First, Start-->Control Panel-->Add or Remove Programs and uninstall any Quicktime programs, Itunes, IPOD and/or Quicktime alternative
(if its having problems, message may appear as well, no worries just continue on)

Right-click the Quicktime icon in the system tray and select Exit (if running)

Under Start-->Control Panel-->Adminstrative Tools
Select Services. Find iPodService and iTunesHelper in the listing, right-click and select Stop
(if not runnning it will not appear)

Delete the Quicktime Player icon on the desktop or any Quicktime icons

Delete the iTunes, iPod, and Quicktime folders under C\:Program Files

Take the additional following steps:
1 -Download and install the Windows Installer CleanUp utility.
2 -Run this utility. It will show you a list of programs. Find QuickTime or itunes and
remove it. (if it doesnt show any then close program)
3 -Go to the folder C:\ WINDOWS \ system32 \
4 -Delete the files QuickTime.qts and QuicktimeVR.qt
5 - Also - and this is very important! - look for other files in C:\ WINDOWS \ system32 \ that look like quicktime files, theyll be easly recognized by the extensions .QT , .QTS or say some form of Quicktime


Do a search for Quicktime files on your C hardrive - if it finds any files then delete

Do a search for quicktime.msi - if it finds any then delete

I ran Registry Mechanic (trial version is free) for a registry scan and repair until the scan returned no problems. After finding this last post on manually deleting related files, I also deleted the following:

Delete all the following
C:\ Documents and Settings \ All Users \ Application Data \ Apple Computer
\iTunes
\Quicktime
C:\ Documents and Settings \ [User Name] \ Application Data \ Apple Computer
C:\ Documents and Settings \ [User Name] \ Application Data\Microsoft \ Internet Explorer \ Quick Launch
iTunes
Quicktime Player


Deleting leftover regsitry keys?
I've created a .reg file that will do the work for you. This information was posted on another site as a recommendation. Though they didnt include the actual .reg file so I've prepared it for you
Click here to download the file
Instructions:
1- unzip file
2- To run - double click on it and answer yes to the prompts.
there its done!

Extra step if needed!
Removal of qttask.exe (if its still running)

Even though the QuickTime tray icon is now disabled, the helper application qttask.exe will still run for a short while everytime you start your computer. This application is pretty much useless, so you can disable it if you want.

Open the Registry Editor:
Start -> Run -> type regedit and press enter.

Navigate to the key:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

In this key you should see several values. One of them is QuickTime Task. Delete that value. After that you can close the Registry Editor.

You can now also safely delete qttask.exe. By default it is located in the folder:
C:\Program Files\QuickTime

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Author Comment

by:fedupwithvista
ID: 22859087
I've gotten quicktime to run but still getting the DEP error for itunes. How do you open  an explorer window?
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Expert Comment

by:DMTechGrooup
ID: 22859188
Explorer.. same thing as Computer.. or hit windows logo key & e at the same time.
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Author Comment

by:fedupwithvista
ID: 22859287
you first have to open an Explorer window and select Tools-->Folder Options from
the menu, then the View tab, and click the radio button for show hidden files and folders,
and then the Apply to All Folders and OK buttons. You can restore that
default by unchecking and applying it after you finish this task.

I can open an explorer window but I do not see where you can select tools and do the rest

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Expert Comment

by:andrew_aj1
ID: 22859294
Press the alt key in explorer and you will see the toolbar. Good luck.
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Expert Comment

by:DMTechGrooup
ID: 22859299
This is a screen shot from me opening explorer.. Windows Vista.

If you do not have this use your snipping tool to take a caputre and upload it.


vistatools.JPG
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Author Comment

by:fedupwithvista
ID: 22859822
Deleting leftover regsitry keys?
I've created a .reg file that will do the work for you. This information was posted on another site as a recommendation. Though they didnt include the actual .reg file so I've prepared it for you
Click here to download the file
Instructions:
1- unzip file
2- To run - double click on it and answer yes to the prompts.
there its done!

the click here to download doesn't work. In order tofix all my registry errors that Registry Mechanic found I need to get a reistered version ($40)

As far as I can tell all Quicktime and itunes files were deleted before I reinstalled itunes 8 from Apple's web site. Quicktime runs but I still have the DEP problem



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Expert Comment

by:DMTechGrooup
ID: 22860384
I copied and pasted that from another site.. you can load regedit and find itunes registry keys and quicktime and delete them.

Everything I have read points to this.  I am not sure what else to look for.
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Author Comment

by:fedupwithvista
ID: 22861156
you can load regedit and find itunes registry keys and quicktime and delete them.


I don't have any entry in my regitry fo quicktime or itunes after i delete and clean the programs. DEP error still occuring
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Expert Comment

by:DMTechGrooup
ID: 22862325
Are you on the latest service pack?  When was the last time it worked was anything else loaded since then?  You might try a system restore and go back to when it was working to undo what could have caused the error.

http://www.bleepingcomputer.com/tutorials/tutorial143.html
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Author Comment

by:fedupwithvista
ID: 22896419
I'm on service pack 1 for vista. i can't go back past Oct 31 which is the day i installed itunes. therfore can't do a system restore
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by:DMTechGrooup
ID: 22896633
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Author Comment

by:fedupwithvista
ID: 22899815
i have tried this. I still get an error "A problem has caused itunes to stop working..." but now it doesn't say that it is DEP that has caused itunes to stop. how can I find out what is stopping itunes now
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Accepted Solution

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DMTechGrooup earned 500 total points
ID: 22901568
The problem at this point is it could be a million things.. something could have been corrupted, etc.

I would try reinstalling SP1.. if it still don't work then I would backup data and reload the system fresh.
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