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I'm trying to install just the Tortoise SVN client on my windows server 2008 R2 and get the following error message:

Could not create key:
Verify that you have sufficient access to that key, or contact your support personnel.

which seems to indicate a permissions problem in the registry, but I'd rather avoid changing permissions in there out of fears of unintended consequences. I'm using a local 'administrator' account, and have disabled UAC (user access control) based on some other postings, but that doesn't solve this registry problem. Any ideas?

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Does Administrators have full control to that registry key? – Greg Askew Dec 26 '11 at 15:21

have you right-clicked on the installer -> run as administrator?

even with UAC disabled and running as a local admin, windows server 2008 requires you to elevate certain actions for them to work.

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I was able to update on Windows Server 2008 R2 x64 SP1 without issue. I am a local admin on the server. I did not have to right-click and choose "run as administrator", but did have to acknowledge the UAC warnings as they came up.

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