In an attempt to better show what its software is up to, Google has released the source code of its Google Update software, a project code-named Omaha that can automatically install new versions of programs, including the Chrome browser and Google Earth.

"Some users can be surprised to find this program running, and at Google, we don't like disappointing our users. We've been working hard to address these concerns, and releasing the source code for Omaha is our attempt to make the purpose of G...