You could also try using Software Restriction Policies. It's not the easiest thing in the world to work with but it does work. As Tim said though, there is always ways around whatever you do. It's our job to make it difficult. :) Jeff Pitsch -----Original Message----- From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of Tim Mangan Sent: Monday, February 14, 2005 10:11 AM To: thin@xxxxxxxxxxxxx Subject: [THIN] Re: Windows Installer And as a follow-up to my own post... Removing the windows installer only prevents applications from being "officially installed". That is, if the app was built and is delivered via an msi based package. It is possible (in some cases) for a user with sufficient privileges to add files and registry settings to get an application to run without an "official installation". An obvious example would be a simple exe that doesn't need an installer, but it is even possible (although very hard) for a complex package like Office. Tim Mangan Founder, TMurgent Technologies -----Original Message----- From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of Tim Mangan Sent: Monday, February 14, 2005 9:20 AM To: thin@xxxxxxxxxxxxx Subject: [THIN] Re: Windows Installer Stopping the service is not sufficient in all cases. You need to remove the windows installer service from the windows services manager. I have seen installers that will start the service for themselves if it isn't running. Tim Mangan Founder, TMurgent Technologies -----Original Message----- From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of Greg Watts Sent: Monday, February 14, 2005 8:49 AM To: Thin Subject: [THIN] Windows Installer I am runnning Windows 2003 /TS and MPS 3.0. I am working on a locked down desktop via GPO's and according to the MS document it sugests that you disable the Windows Installer server. I am assuming by doing this would not allow Installation Manager to function? Can someone conform this? 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