If you ever get "Error 1402 Could not open key UNKNOWN\Components\... trying to install a program the solution is fairly simple once you know where to go. The issue is that the permissions on certain registry keys are missing and trying to search for them is useless do to the lack of permission. The location however is as follows:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Components
Note: the S-1-5-18 maybe a different set n here you will find the the key and sub key listed in the error after Components. On these keys you will have to take Ownership and grant Administrators full permissions. The order of those two steps may be reversed. After repairing the permissions the program should install without an issue.
Source: http://www.okino.com/conv/changing_windows_registry_permissions.htm
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