right click the executable and go to **PROPERTIES**
go to the **SECURITY** tab
click **ADVANCED** at the bottom
click **ADD** at the bottom
type **ADMINISTRATORS** for the name. if you have a domain then adjust appropriately
press **OK** to get the custom settings for the administrator's group
check the **DENY** checkbox next to "TRAVERSE FOLDER/ EXECUTE FILE" permission (2nd on the list)
hit OK and so-on until you've closed the properties entry for that file.

RUNAS /trustlevel:<TrustLevel> program

/trustlevel       <Level> should be one of levels enumerated
                  in /showtrustlevels.
/showtrustlevels  displays the trust levels that can be used
                  as arguments to /trustlevel.

This requires an elevated command prompt.

RUNAS /showtrustlevels

RUNAS /trustlevel:X "Application target"