This sounds more like an Windows Installer question than a NantContrib question.
You have to write your MSI so that it can be upgraded by subsequent versions. See the Microsoft Windows Installer SDK for details on how to do this : http://msdn.microsoft.com/library/default.asp?url=/library/en-us/msi/setup/patching_and_upgrades.asp On 03/08/05, Dean Hiller <[EMAIL PROTECTED]> wrote: > > > > > When I try to run a newer version of the installer created by msi task and I > already have a previous version of the product installed, I get the > following error…. > > > > Another version of this product is already installed > > Installation of this version cannot continue. To > > Configure or remove the existing version of this product, > > Use Add/Remove Programs on the Control Panel. > > > > Any way to change this so it will do the upgrade? Also, any way to stop the > windows services before the upgrade starts? > > Thanks, > > dean > > ________________________________ > The information contained in this e-mail and any attachments hereto are for > the exclusive use of the addressee and may contain confidential, privileged > and nondisclosable information. If the recipient of this e-mail is not the > addressee, or a person responsible for delivering this e-mail to the > addressee, such recipient is strictly prohibited from reading, printing, > photocopying, distributing or otherwise using this e-mail or any attachments > hereto in any way. If the recipient has received this e-mail in error, > please send return e-mail immediately notifying us of your receipt of this > e-mail and delete the e-mail from your inbox. Thank you.