(Thanks, Lothar.

Many moons ago I believe it was yourself who supplied me with the answer to a fairly straight forward query about using one exe to launch a second. The solution was based on "Shell". Well...)
I wish to run two exe's concurrently. One organises some system niceties and supplies introductory forms. Based on user input, it launches whichever one of several exes is appropriate. Thus, while being used, the app Group runs two exes concurrently.
I cannot figure out how to close down the "backgroup" app when the Principal one is closed. Can Shell perofrm both a launch and a closure?

Thanks for reading,,
Surrendermonkey