Workflows and Windows Scripts

Does anyone have any real world workflows use-cases with scripting that they can share?

I would love to see people's export XMLs of workflows and a description of what they accomplish.

An example workflow I am trying to configure is to:

Stop a windows service
set that service to disabled (running a script that executes the SC CONFIG command.
Restarts the server.
Set the service to "enabled" running SC CONFIG Script
Start the service.

I have a VB script that works if I run it locally on the target box, but it "successfully" runs through a workflow but doesn't actually disable the windows service.

Real world examples can be really useful.