Problem installing VMware vSphere Client 4.1

Hi experts,
I was installing VMware vSphere Client 4.1but I keep getting an error message that looks like this:

Error:
Error 1406.Could not write value productLanguage to keySOFTWAREVmware,Inc.Vmware Virtual Infrastructure Cliennt.Verify that you have sufficient access to that key,or contact your support personnel.
I am using Window 8 64-bit machine.
Can you guide me how to deal with this error?
Thanks!
