[WiX-users] How to check an install is already present on a machine before allowing an install

Hi, I am trying to detect if another product is already installed before my product installs and I want to only allow installation if the other product is present. I believed this was quite simple but I have a problem. I used an Upgrade table to detect for the other installed (based on its

Re: [WiX-users] How to check an install is already present on a machine before allowing an install

On 05-Jan-15 20:58, Kevin Palmer wrote: This works great during installation and blocks the install if the installer is not present however when trying to uninstall the application the condition always blocks.