Sure, by default Microsoft Script Editor is installed in
Program Files\Microsoft Office\OFFICE11
and is MSE7.EXE
You can start it with that and open and edit your vbs scripts with it that way.

Jim Minatel
Acquisitions Director
Wiley Technology Publishing
WROX Press
Blog: http://wroxblog.typepad.com/
Wrox online library: http://wrox.books24x7.com