Which one is right:

> My long-term conception for a ***widely*** applicable next-generation software-uninstaller is to observe the programs under installation carefully and fully. In this context, ***wide*** applicability means that as many programs as possible will be correctly tracked and, when necessary, uninstalled.

> My long-term conception for a ***broadly*** applicable next-generation software-uninstaller is to observe the programs under installation carefully and fully. In this context, ***broad*** applicability means that as many programs as possible will be correctly tracked and, when necessary, uninstalled.

Why?

The bold-and-italics marking is mine (i.e., it does not occur in the original text).