Could not open key error

I am having a problem installing iTunes 7. I get to the final stages of the upgrade then I get an error message that says
"Could not open key:
HKEYLOCALMACHINE\Software\Classes\QuickTimePlayerLib.QuickTimePlayerApp\CLSID. Verify that you have sufficient access to that key, or contact your support personnel."
This is a home computer with no network. We have 3 users set up on XP.
Please help, we have been trying to upgrade for 3 days!!!

even though you're not getting a 1406 or 1402 error message number with this, try the techniques from this page:
Error 1406 or 1402 appears when you install iTunes or QuickTime for Windows

Similar Messages

Could Not Open Key Error over and over and over

Error Message- "Could Not Open Key HKEYLOCALMACHINE\SOFTWARE\CLASSES\QuickTimePlayerLib.QuickTimePlayerApp\CLSID"
Just got a new IPOD for Xmas but can't install Itunes. I think the problem is Quicktime. I have been searching in this discussion for people with the same problem and I have tried everything. I tried giving myself access in the registry editor but it won't let me. It says "Cannot save permission changes.......Access is denied." I tried deleting all the Quicktime files but it says "cannot delete files.....error while deleting." I have even tried the response to the 1400's error messages but nothing works. Also installing Quicktime by itself, same thing. Same error message over and over. Please help!!!!
Compaq PC Windows XP

oh my god please help!!

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

Could not open key error installing itunes

I get this requester saying that a registry key can not be accessed when trying to install itunes/quicktime. Just got a nano and am trying to load the app to load music.
See this link foe the requester...
http://www.edward-ramos.net/images/itunesError.jpg
I have tried, several times, to uninstall useing the procedure outlined in the support section but no luck. I am installing with Admin account and also tried with a different named account with admin access.
pc Windows XP Pro

even though you're not getting a 1406 or 1402 error message number with this, try the techniques from this page:
Error 1406 or 1402 appears when you install iTunes or QuickTime for Windows

I am trying to download iTunes on to my laptap but I keep getting a "Could not open key: UNKNOWN\Components\ with a bunch of numbers and letters following. I have uninstalled all the iTunes programs. I changed the Regedit but I still get the error?

I am trying to download iTunes to my laptop but I keep getting this "Could not open key: UNKNOWN\Components\ followed by a bunch of numbers and letters. I have unistalled iTunes and all the other apple componants. I also used followed this http://discussions.apple.com/docs/DOC-3581. But I am still getting the same "Could not open key:" error and it tells me that iTunes could not download.

On occasion, when changing ownership or permissions has no effect on the UNKNOWN\Components\ error, the fixit from the following Microsoft document sometimes works:
Fix problems with programs that can't be installed or uninstalled

ITunes fails to update - 'Could not open key...'

I am having trouble installing the latest iTunes update bith through Apple Update and by trying manually.
I get a 'could not open key' error followed by 'UNKNOWN/components/.......'
Quicktime updates fine but Safari 5, iTunes and iCloud Control Panel all failed with the same message.
I am completely stuck.

Let's try the following user tip with that one:
"Could not open key: UNKNOWN\Components\[LongStringOfLettersAndNumbers]\[LongStringOfLettersAndNumbe rs]" error messages when installing iTunes for Windows

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

HELP ME!!!! itunes wont open, error says could not open key......

I attempted to update itunes to the newest upgrade, and the upgrade was unsucceful, and now this error comes up everytime i try to open itunes (it wont open at all). the error says
Could not open key:
HKEYLOCALMACHINE\Software\Classes\.wav\OpenWithList\iTunes.exe.
Verify that you have sufficent access to that key, or contact your support personnel.
This makes no sense since this is on my home PC

hmmm. okay, if you're currently just getting the "itunes has encountered an error ..." let's try the following technique.
preliminaries
download and save a fresh copy of the itunes 6.0.1.3 installer to your hard drive. (eventually we're going to run the install from there rather than online.)
iTunes 6.0.1.3 Installer
switch off any antivirus and antispyware applications prior to any uninstalls, installs or repair installs.
uninstall
use the complete uninstall instructions given in the following document to remove your existing itunes and quicktime:
Troubleshooting iTunes, iPod Software, and QuickTime installation on Windows
... and if you run into problems on the uninstall, try using the Installer Cleanup utility:
Description of the Windows Installer CleanUp Utility
reboot after uninstalling.
reinstall
remember to switch off your antivirus and antispyware.
reinstall itunes using the 6.0.1.3 installer you downloaded previously.
if you get the "itunes has encountered a problem ..." error message again after that install, first check to see if your Quicktime will launch. if you get an error message when you try to launch quicktime, try using the following technique:
iTunes 6 for Windows unexpectedly quits when opened
keep us posted on your progress.
love, b

TS3299 Upgade error: Could not open key: HKEY_CURRENT_USER\SOFTWARE\Apple Inc.\Internet Services. Any advice?

During a standard iTunes upgrade to the latest version (11.1.4 for Windows Vista), the installation failed with the following error message: Could not open key: HKEY_CURRENT_USER\SOFTWARE\Apple Inc.\Internet Services. Does anyone have any advice as to how I can fix this and reinstall iTunes? When I try to open iTunes I get the following message: iTunes.exe. This application has failed to start because MSCVR80.dll was not found. Re-installing the application may fix this problem. When I try to run the installer I get the above error so I'm going round in circles!

Solved: I had somehow lost permission to access the HKEY above (or rather, its parent key HKEY_CURRENT_USER\SOFTWARE\Apple Inc.) so I went to the registry editor and checked the 'Full Control' box for the key and the installer now works.
I used this site to fix the MSCVR80.dll error: http://pcsupport.about.com/od/findbyerrormessage/a/msvcr80-dll-not-found-missing -error.htm

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)

I get an Error 1402 Could not open key: and the update fails. How do I fix this problem. Please Help

ERROR 1402. Could Not Open Key: HKEY_LOCAL_MAHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENT VERSION\RUN\OPTIONAL COMPONENTS\IMAIL

You could try using the Windows Installer Cleanup Utility to remove all traces of any existing versions of Reader prior to installing the version you want and updating it as required. This utility is no longer supported by Microsoft because it can conflict with Win 7, but you can still find it in sites like http://majorgeeks.com/download.php?det=4459

Error 1402: Could not open key: HKEY_LOCAL_MACHINE... During Installation

Hello,
When I try to install LabView (v7.1 or v8.0) I get the following error:
"Error 1402: Could not open key:
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\LVDB.Application\CLSID. Verify that
you have sufficient access to that key, or contact your support
personnel."
I have full administrator privileges on my computer and I am able to
modify that key manually using the registry editor. When I click the
"Yes" button to continue the installation it will complete but then
when I launch LabView I get the following error:
"The requested feature is unavailable on "localhost"".
Can you help me get LabView up and running?
Thanks,

The Adobe knowledgebase article actually pointed me in the right
direction and I was able to solve the issue. Thanks to all who gave
advise, you guys are the reason these forums work!
The error message was actually coming from the Microsoft Installer, not
from anything related to National Instruments. Also, ironically, what
the message said was spot on with one exception, while I personally had
access to the registry key, the installer didn’t. What I ended up doing
was going into the registry using regedit and setting the permissions
on the key in questions such that “Everyone” had full access. After
that I uninstalled LabView then reinstalled and it worked fine this
time. The step by step follows:
1) Open the registry editor by selecting "Run" from the start menu and then typing in "regedit".
2) Browse through the registry and select the entry mentioned in the error message.
3) Choose "Permissions..." from either the edit menu or by right-clicking on the registry key's parent directory.
4) Click the "Advanced" button to add a new user.
5) Type in "Everyone" as the new user and click OK (it may not be
necessary to give everyone full control but this is what I did and it
worked).
6) Configure the permissions for user "Everyone" to "Full Control"
7) Uninstall LabView (if necessary) and re-install.
Best regards,
-Ben

Could not open key: HKEY_LOCAL_MACHINE error. Please help!

Every time I try to install QuickTime/iTunes, this error message pops up:
Could not open key: HKEYLOCALMACHINE\Software\Classes\Quicktime.Quicktime\CLSID. Verify that you have sufficient access to that key, or contact your support personnel.
I have no idea what to do.
Dell Windows XP

The Adobe knowledgebase article actually pointed me in the right
direction and I was able to solve the issue. Thanks to all who gave
advise, you guys are the reason these forums work!
The error message was actually coming from the Microsoft Installer, not
from anything related to National Instruments. Also, ironically, what
the message said was spot on with one exception, while I personally had
access to the registry key, the installer didn’t. What I ended up doing
was going into the registry using regedit and setting the permissions
on the key in questions such that “Everyone” had full access. After
that I uninstalled LabView then reinstalled and it worked fine this
time. The step by step follows:
1) Open the registry editor by selecting "Run" from the start menu and then typing in "regedit".
2) Browse through the registry and select the entry mentioned in the error message.
3) Choose "Permissions..." from either the edit menu or by right-clicking on the registry key's parent directory.
4) Click the "Advanced" button to add a new user.
5) Type in "Everyone" as the new user and click OK (it may not be
necessary to give everyone full control but this is what I did and it
worked).
6) Configure the permissions for user "Everyone" to "Full Control"
7) Uninstall LabView (if necessary) and re-install.
Best regards,
-Ben

ERROR 1402 Could Not Open Key:

Having Problems loading QUICKTIME. There was an older version but was deleted a while ago. I have used the Windows Install Clean Up. but still get 'ERROR CODE 1402 COULD NOT OPEN KEY' "HKEYLOCALMACHINE\Software\Microsoft\Windows\Current Version\Uninstall\Quicktime. Verify that you have sufficent access to that key, or contact your support personnel." I have gone to that file, and cannot do anything to that key. PLEASE HELP!!!

ttt, same problem. please help.

Error 1402: Could not open key UNKNOWN\SliderCtrl.SlideCtrlProxy\CLSID

I have two users. User A wrote an application using LabVIEW 7.1, including an installer, and gave said application and installer to User B. User B has 8.0 and 8.1 LabVIEW RTE's installed properly. When trying to run the application installer, or just the 7.1 RTE installer alone, the following error occurs every time:
Error 1402. Could not open key:
UNKNOWN\SlideCtrl.SlideCtrlProxy\CLSID
I took the registry info from my machine (had 7.1 installed on it at one time; currently has 8.2 and 8.5), exported everything with "SlideCtrl" in it, imported those into User B's registry, double checked the permission in the appropriate places, re-ran ... same problem. Help?
Certified LabVIEW Developer
NI-VLM Administrator

I found the answer on my own, documenting for the next poor soul ... this was under WinXP
* Go into regedt32
* Right-click on HKCR and select "Permissions" -OR- Click on HKCR and choose Edit->Permissions
* Add the current user and set permissions for Full Control and Read.
It is NOT sufficient to give "Everyone" Full Control and Read, it needs that user id. Brilliant ... current user is not part of "Everyone".
Certified LabVIEW Developer
NI-VLM Administrator

Could not open key error

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