[WiX-users] Simpler Update possible?

Hi, I am wondering if there is any way to have Wix check if the product is already installed (irrespective of the version), if so ask the user to uninstall it manually (or ask the user if he wants it to be uninstalled by Wix if possible). Then Wix would just do a full installation as

Re: [WiX-users] Simpler Update possible?

You can do this yourself by using the upgrade table and to check for the product version you are looking for and only set the property. You can then use this property to set an installation condition to display a message that the pervious product must be manually removed before continuing.