But if you package MSI files in your software, you can use basic VBScript to create a "shell" object that runs Windows commands, including executing these MSI files.

Renegade's Random Tech weblog has a simple how-to for converting batch or .VBS scripts into executable forms using a lesser-known Windows program called IExpress.

The VBScript Replace function lets you switch out one character for another in a string. You can use this function to replace the period character with an underscore. You load the file name into a ...