It scans the registry for the list of installed windows programs using SIGAR - see WindowsSoftwareDelegate. I doubt deleting will uninstall :) I think that just deletes the package definition in the DB. ----- Original Message ----- From: "Ian Springer" <ispringe(a)redhat.com&gt; To: "John Mazzitelli" <mazz(a)redhat.com&gt; Cc: "jopr-dev" <jopr-dev(a)lists.jboss.org&gt; Sent: Friday, April 17, 2009 6:57:19 PM GMT -05:00 US/Canada Eastern Subject: Re: [jopr-dev] platform content discovery Cool! How did you get the installed programs on Windows - is that a SIGAR API? Does the Delete button actually work? On 4/17/2009 4:47 PM, John Mazzitelli wrote: