ITunes install on Win 8.1 Pro x64; Could not open key

iTune install stalls with message "Could not open key .......string of numbers ....."

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Cant install itunes 10.5 keep getting Apple Aplication Support - could not open key error

I ve been getting this message over and over:
Apple Application Support
Could not open key:
UNKNOWN\Components\DA42B......................
Verify that you have sufficient access to that key, or contact your support personnel
I have uninstalled all Apple soft and tryed to reinstall itunes 10.5, but there is no help. I run win 7 64 on toshiba notebook

Open regedit using "run as administrator".
Go to the registry key:
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionInstallerUserDataS-1-5-1 8Components
...and selected the folder DA42BC89BF25F5BD0AF18C3B9B1A1EE8
(there are three folders with very similar names A,B & C you want the first one)
Right click & choose Permissions
Click Advanced, and then the Owner tab
Type (not administrators) in current owners field and check the box to replace the owner on subcontainer and volumes
Apply settings and then click Permissions tab. Once again, add (not administrators) to the list of permission entries, then click edit and check all permission boxes. Also click the 2 bottom boxes concerning the inheritable permissions.
[Note: In my case I was a member of administrators and administrators was already set in all of the above settings - I've no idea why it needed to be set to my user rather than the administrator group, anyway it solved the problem for me]
Click OK
Now back on the main permissions tab, add in the user name window and then check full control and read checkboxes. Click OK.
On the menu bar click file > exit
But if u have the message pop up more then once then just make the permissions for the entier S-1-5-18Components folder

Tried to install ios5. Would not install. Also lost earlier version of itunes. Keep getting message Could not open key

Tried to install the newest version and lost all itunes on this computer. Followed instructions about removing and reinstalling iTunes, Quicktime, etc. Now I get message "Could not open key: UNKNOWN\Components|" and several letters/numbers afterward.

The first thing would be to get the proper version of Safari for your version of OS X (Tiger).
Go here to get Safari: http://www.apple.com/safari/download/
Be sure to choose the bottom choice:
You will also need the latest security update for Tiger.

Win 8.1 Pro, iTunes install fails with "could not open key"

Have tried complete uninstall as required by "Remove and reinstall" Did not work.

Okay ... although you've got a Windows 8 (rather than a 7 or a Vista), let's try the following user tip:
"Could not open key: UNKNOWN\Components\[LongStringOfLettersAndNumbers]\[LongStringOfLettersAndNumbe rs]" error messages when installing iTunes for Windows

Unable to install itunes Win 7, 64 bit. Error: " Could not open key: UNKNOWN\Components\DA42BC89BF25F5BD0AF19C3B9B1A1EE8\C0B7E33AC99B9CE47B20A823B86 1A19F. Verify that you have sufficient access to that key. or contact your support personnel.

Hi,
I'm not able to install itunes in my Win 7 , 64 bit. getting the below mentioned error.. any help would be greatly appriecated.
" Could not open key: UNKNOWN\Components\DA42BC89BF25F5BD0AF19C3B9B1A1EE8\C0B7E33AC99B9CE47B20A823B86 1A19F. Verify that you have sufficient access to that key. or contact your support personnel."

NCPlater to all haveing the error: ***I HAVE THE ANSWER***
iTunes
Could not open key:
UNKNOWN\Components\DA42BC83BF25F5BDOAF18C3B9B1A1EE8\3e43b73803c7c394f8a6b 2f0402e19c2. Verify that you have
sufficient access to that key. or contact your support personnel.
After following instructions for three different solutions that did NOT work; I found the solution that did work
on the support site for Syamntec.
Readers - Please, you must be VERY familiar with pc jargon and windows vernacular to accomplish the reset
of ALL the permissions in your registry.
Follow the ditrections below and pay attention to the notes for those running 64bit Win7.
Step one, back up the registry.
Step two, go to the MS KB: http://www.microsoft.com/downloads/details.aspx?FamilyID=e8ba3e56-d8fe-4a91-93cf -ed6985e3927b&displaylang=en and download the file that installs subinacl. It is an MSI file, and will do a quick install of a few Microsoft files. Hint: Look in the folder listed below, "subinacle.exe" may already be there.
Step three, create a batch file (subinacle.bat) with the following commands: (Use Notepad - copy & paste, not the red stuff)
cd /d "Program Files\Windows Resource Kits\Tools" (only for 32bit/x86 machines)
subinacl /subkeyreg HKEY_LOCAL_MACHINE /grant=administrators=f /grant=system=f
subinacl /subkeyreg HKEY_CURRENT_USER /grant=administrators=f /grant=system=f
subinacl /subkeyreg HKEY_CLASSES_ROOT /grant=administrators=f /grant=system=f
subinacl /subdirectories %SystemDrive% /grant=administrators=f /grant=system=f
subinacl /subdirectories %windir%\*.* /grant=administrators=f /grant=system=f
secedit /configure /cfg %windir%\inf\defltbase.inf /db defltbase.sdb /verbose
For 64bit machines substitute for first line of bat file:
cd /d "c:\program files (x86)\windows resource kits\tools"
Step four, run the batch file. Let it run until the Command Prompt screen closes, may take 30 minutes or more.
Step five, reboot the machine and run the install again.
Ladies and Gentlemen; this worked for me and allowed immediate installation of two application packages I had been trying for three months! (Including ITunes 10.5)

ERROR: Could not open Key.. when installing 9.1.0.79 x64

I get the following error box when trying to install iTunes 9.1.0.79 x64 on my Dell Studio laptop with Vista 64-bit:
Could not open Key: UNKNOWN\components\DA42BC89BF25F5BD0AF18C3B9B1A1EE8\7E577B2224C65CF4E801A9E5237 5DB49
I have no idea what this means. It keeps happening and I cannot run iTunes because of it. If anyone knows what to do please tell me I am going crazy.

I FIXED MINE!! This is what I did:
1. Select "Start", "Run", and type "RegEdt32"(for VISTA "regedit"). Click OK.
2. Select HKEYLOCALMACHINE
3. In the menu, select "Edit", "Permissions". A dialog will come up.
4. Check "Allow" for "Read" and for "Full Control", then click OK
5. Expand HKEYLOCALMACHINE and repeat steps 3, 4 for the keys "Software" and "System"
6. Expand the "Software" key, and repeat steps 3, 4 for "Classes"
7. Expand the "Classes" key, and repeat steps 3, 4 for "Installer"
8. If you have made any changes in steps 1 through 7, skip to step 10. If you did not make any changes, continue with step 9.
9.Open the "Classes" key, and click on "Installer" . In the menu, click "Security", "Permissions." Click the button marked "Advanced." Check "Reset Permissions on all child objects.", then click OK
10. Close the registry editor
11. Reboot the computer
then run iTunes install again.

ITunes will not install, I get an error message: Could not open key:HKEY_LOCAL_MACHINE_software_classes_CLSID

I tried to reinstall iTunes 10.5 on an older PC using Windows XP. iTunes will not install. Tthis is the full error message. Could not open key: HKEY_LOCAL_MACHINE\software\classes\CLSID\{063D34A4-BF84-488D-B699-E8CA04DDE}
Please Help

I was able to solve this problem using the utility explained in this post:
http://blogs.msdn.com/astebner/archive/2006/09/04/739820.aspx
Thanks!
Dell Windows XP

Error message: "Could not open key..." trying to install iTunes 7.6.1.9

I'm trying to install iTunes and keep receiving error msg: "Could not open key: HKEYLOCALMACHINES\Software\Classes\.cdda\OpenWithProgIds. Verify that you have sufficient access to that key, or contact your support personnel."
I have tried to un-install and re-install to no avail. Please help! I have i-Tune gift cards that are rendendered worthless at this point.

Are you logged on as a Windows administrator?

Cannot install QT, iTunes, or safari "could not open key..."

whenever i try to install iTunes, QT, or safari it always says "could not open key UNKNOWN\components\.... i have used the registry editor and done the things listed in several different posts on the same topic. please help

Try the following user tip:
"Could not open key: UNKNOWN\Components\[LongStringOfLettersAndNumbers]\[LongStringOfLettersAndNumbe rs]" error messages when installing iTunes for Windows

Please Please help me. I have been trying to install Itunes 11 for 3 months. I deleted my old version and can not for the life of me get Itunes installed . I have Windows 7 Home. The message is " Could not open key: UNKNOWN\Components\DA42BC89BF25F5BDOAF1

Please Please help me. I have been trying to install Itunes 11 for 3 months. I deleted my old version and can not for the life of me get Itunes installed . I have Windows 7 Home. The message is " Could not open key: UNKNOWN\Components\DA42BC89BF25F5BDOAF1

Try the following user tip:
"Could not open key: UNKNOWN\Components\[LongStringOfLettersAndNumbers]\[LongStringOfLettersAndNumbe rs]" error messages when installing iTunes for Windows

Hi i can not install itune. There are the error show " Could not open key: Unknown\Components\32A7D634EB632D11CABB00087CCFBB48\DAEC106DF4E2BBB458CC2CA9C46 E3A0C.

Hi,
i can not install itune. There are the error show
" Could not open key: Unknown\Components\32A7D634EB632D11CABB00087CCFBB48\DAEC106DF4E2BBB458CC2CA9C46 E3A0C. Verify that you have sufficient access to that key. or contact your support personal.
I have tried some soution from the similar case to uninstall itune and also related components already but finally the probelm still occured.
Please you help to suggest me what can i do? I need to restore my back up data to the new iphone as the previous one got stolen.
BR,
Sirorath A.

Try the following user tip:
"Could not open key: UNKNOWN\Components\[LongStringOfLettersAndNumbers]\[LongStringOfLettersAndNumbe rs]" error messages when installing iTunes for Windows

Hi, i have problem when installing itune. it said: Could not open key HKEY_LOCAL_MACHINE32\SOFTWARE|Microsoft\Windows\CurrentVersion\Run. Verify that you have sufficient access to that key, or contact your support personnel. please help me!

hi,
i have problem when installing itune. it said:
Could not open key HKEY_LOCAL_MACHINE32\SOFTWARE|Microsoft\Windows\CurrentVersion\Run. Verify that you have sufficient access to that key, or contact your support personnel.
Please help me i can't do anything without itune

For "Could not open key/write value" errors when reinstalling try b noir's user tip:
"Could not open key: UNKNOWN\Components\[LongStringOfLettersAndNumbers]\
[LongStringOfLettersAndNumbers]" error messages when installing iTunes for Windows.
The technique can be applied to the branch of the registry mentioned in the error message.
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 the 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.
tt2

TS1462 Installing iTunes problem "Could not open key..."

Hey,
I hope somoene can help me with my problem. I receive the following message when it is trying to install iTunes: "Could not open key: UNKWON\Components\DA42BC89BF25F5BD0AF18C3B9B1A1EE8\710D45C7BB12EA347964337EA84F 4A52. Verify that you have sufficient access to key or contact your support personnel"

but once i reached point 7 I noticed that this key is missing and I can't continue.
Doublechecking ... CurrentVersion is missing? (The one shown under Windows in the following screenshot?)

Hello,i have been finding problem to even open itunes.i know what have installed now is latest version and i could not open itunes in my laptop which resulted in big frustration.can anybody step in to help me for which i will be thankful to you.

Hello,i have been finding problem to even open itunes.i know what have installed now is latest version and i could not open itunes in my laptop which resulted in big frustration.can anybody step in to help me for which i will be thankful to you.when i double click itunes software,it never responds even with or without iphone 4s connection with my windows 7 laptop.

miraculous...i downloaded quicktime player from apple website and then i run it.upon double click on this quick time player and then i double clicked on itunes...there comes an enry of itunes software...now i am completely enjoying my musics.photos in smart phone.
Thanks a Lot

I can not update my version of itunes. When I install the message "Could not open key UNKNOW \ Instaler \ Products \ E84E5F4E55179FC488DCF773E79CCA45 \ SourceList \ Media. Make sure you have sufficient access to that key or contact the support team." Any

I can not update my version of itunes. When I install the message "Could not open key UNKNOW \ Instaler \ Products \ E84E5F4E55179FC488DCF773E79CCA45 \ SourceList \ Media. Make sure you have sufficient access to that key or contact the support team." Any tips on how to solve this problem?

If doesn't work try use the instructions below BUT in BOTH folders, first in SourceList and after in the Media.
Start>Run put regedit and press Ok.
1. Go to the key: HKEY_CLASSES_ROOT\Installer\Products\9B00314CD581E574FBCE93FE37F2911B\SourceLis t\Media
2. Right click in Media folder, select Permissions from the menu.
3. You will see that is no user, on the "Permissions for..." dialog box which appears next, press the "Add.." button and add in the "All"
4. Back on the first "Permissions for..." dialog box, click on each account in the top-list and make sure each has the "Full Control = Allow" and "Read = Allow" permissions
5. Click the "Advanced" button and the "Advanced Security Settings" dialog box appears
6. On the "Permissions tab" enable the checkmark box named "Replace all child object permissions with inheritable permissions from this object", then press the "Apply" button
7. On the "Owner" tab, highlight the "Administrators" name in the lower listbox, enable the checkmark box called "Replace owner on subcontainers and objects" and press the "Apply Button"

ITunes install on Win 8.1 Pro x64; Could not open key

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