My Windows 7 registry scanning is working.  For example, this is one of the registry scans that is currently running on my Win7 machines.
Registry 3 
 Regkey:  HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer  
 Valuename:  Version  
 Value:  8.0.7600.16385  
 Date:  12/16/2010 11:25:37 AM