Hi, Hank,
Reset Default Security Permissions:
To reset the security settings back to default, take a look at the following KB article:**http://support.microsoft.com/kb/313222**
•Click the Start orb.•Under Start Search, type cmd, and then press enter.•Type the following command, and then press enter:secedit /configure /cfg %windir%\inf\defltbase.inf /db defltbase.sdb /verbose
You will receive a "Task is completed" message, and a warning message that something could not be done. You can safely ignore this message.Additional information:http://social.answers.microsoft.com/Forums/en-US/vistasecurity/thread/7eacb966-cbbd-41ac-b08d-7c7f881943be/