How To Use WebGrade SystemRegistrar memoF A Q
  Safari for the Apple Macntosh 1.3.2 and above
 

Step 1:Enable pop-up windows from Webgrade System

Click on Safari in the Safari menu bar.
 
If  "Block Pop-up Windows"  in the Safari submenu is not checked, your Safari browser is configured for WebGrade.  You are done.

If "Block Pop-up Windows" is checked (as in the screen shot below), click on the "Block Pop-UpWindows" item from the Safari submenu.  The check will be removed.