1. In a network environment that includes a source of a set of computer-executable instructions, and a plurality of mobile computing devices, a method for at least one of the mobile computing devices installing the set of computer-executable instructions as a transaction using rollback features of a configuration manager residing on the mobile computing device, the method comprising the following: an act of the mobile computing device accessing at least a version of at least one file that is to be installed on the mobile computing device; an act of the mobile computing device accessing computer-executable installation instructions that define how the at least one file is to be installed on the mobile computing device, the installation instructions being directly interpretable by a configuration manager associated with the mobile computing device; an act of the configuration manager causing the installation instructions to be executed; and an act of the configuration manager causing a rollback document to be constructed.