I believe this is caused by your Registry permissions. Try holding down Ctrl+Shift while launching the OpenOPC installer in order to elevate your permissions. I will look at fixing the installer so it does this automatically in the next release.
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same for win7 x64
I believe this is caused by your Registry permissions. Try holding down Ctrl+Shift while launching the OpenOPC installer in order to elevate your permissions. I will look at fixing the installer so it does this automatically in the next release.