Cannot Open 'Key'

I've been trying to install iTunes to an external hard drive after my previous version got screwed up because the drive letter (i.e., C:\ or F:\) disappeared. But so far in my attempt to install iTunes, I've encountered a pretty weird problem; about 3/4 of the way through the installation, a window pops up saying that it can't open a key (which I'll post at the end since it's really long) and then asks for me to verify that I have access to it. When I press okay, the only option, it continues with the installation for several minutes before stopping and saying that iTunes encountered an error and that I should try again later.
If anyone has any idea what's going on, or how to fix it, that would be great.
The key is: UNKNOWN\Components\32A7D632D11CABB00087CCFBB43\D41C20F5036A17744890B08AFCC8A6D

but it's not allowing me to set the permissions for the subkeys, which I think might be why it's not working.
Hmmm. In that case there might be dodgy ACLs on the registry keys. Hollovoid's use of RegAssassin in this context might be of some help with that:
http://discussions.apple.com/message.jspa?messageID=10166569#10166569

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Cannot open key error while installing itunes on windows vista 64bit

I have downloaded iTunes to my desktop, disconnected from net, disabled firewall, and ran as administrator. Now I get an error saying: Could not open Key: UNKNOWN\Components\DA42BC89BF25F5BDOAF18C3B9B1AEE8\FD563AF386D2DE54F8388C8A8336 E1534 verify that you have sufficient access to that key or contact you support personnel. Any suggestions??? Have tried for several weeks, to get iTunes 9.0 to install & run, am very frustrated, please help!!!

This is caused by a permissions issue with some of the apple registry keys. You need to uninstall every apple application and fix the registry permissions. I have written up the details of this below which I am sending to Apple support:
Issues with Iphone Sync on Windows 7 64x after migration
1) Uninstall all Apple Software components in the order recommended
a. Itunes
b. Quicktime
c. Apple Software update
d. Apple mobile device Support (Note: If this does not uninstall – It could be related to Registry permissions. Make sure to do Step 4)
e. BonJour
f. Apple Application Support
2) Verify all Itunes Related components are completely uninstalled (Refer to http://support.apple.com/kb/HT1923)
3) Try to Reinstall Itunes
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a. Get into the registry Start >> Search Programs and Files >> Regedit
b. Access the following Location: HKEYLOCALMACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Co mponents
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Good Luck
cyn

ITunes cannot open key

When i try to install iTunes, i get an error message that says
COULD NOT OPEN KEY
UNKNOWN\Components\DA42BC89BF25F5BD0AF…
Verify that you have sufficient access to that key or contact your support personal.
I need exact instructions of what to do to fix this problem

I got the same problem...
Suddenly i don't know why, but itunes would recognize my iphone but, would not show its details and everything else, it would only show the iphone.
So i thought that it could be solved reinstalling..and i got those messages saying that it "could not open key"... tried unistalling and then deleting everything, anything related to, Apple, itunes, QuickTimes, ipod... and installing all over again and still nothing... help ?
I just want to synchronize my calendar and contacts.. just a simple job and can't even do it..
PS: this is my first post, after seeing this forum, and seeing that it almost has 1.500 topics(wow), apple/itunes really got some problems..

Cannot reinstall 'itunes' get 'cannot open key in hkey_local_machine32\software\microsoft\windows\currentversion\run and check your rights "

Can anyone give me the solution to reinstall ITUNES without reinstalling windows 7 64 bit
At 70 percent of installation of Itunes I get the above mentionned message from Itunes
Ther is NO directory 'Hkey_local_machine32 !!!!!!!!in the registration directory of windows
plse help
tnx
dropke
belgium

See Troubleshooting issues with iTunes for Windows updates.
Disable your anti-virus while reinstalling iTunes.
If you still get a registry access error 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.
tt2

I am trying to update to ver. 11 of Itunes, but I get the following message: cannot open the key: HKEY_current_user\software\APPLE computer, Inc.\iTunes\preferences

I am trying to update the software in Itunes to ver. 11 but get the message: Cannot open the key: HKEY_Current_user\SOFTWARE\Apple Computer, Inc.\iTunes\Preferences

Did you ever figure out the problem? "Contact Software Manufacturer"?? That sounds ominous... I've got the same issue and I'm pretty durn aggravated right about now....
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Duh.. cannot open calendar page to edit it. What key option works??? Thanks

Duh.. cannot open calendar page to edit it. What key option works??
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regards,
Hassane Cabir

Hi,
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setEnvAdrelink: Error: Cannot open registry key:
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regards,
Hassane Cabir

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i cannot open iphoto- the message I am getting says Shut down and restart your computer, and then open iPhoto again. If the problem persists, try rebuilding your photo library. To do this, quit iPhoto, and then reopen it while keeping the Option and Command-
I tries and it doesnt work!!

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Regards
TD

Cannot Open 'Key'

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