Yes there is a way. You will need to use
However if you are asking about the registry key that indicates that AdobeReader is installed then you will need to do your own research on this as the way the product is deployed is entirely up to the software vendor.
RegistrySearch fragment instead of FileSearch. BTW the yesterday release has delivered AddWixFragment API.However if you are asking about the registry key that indicates that AdobeReader is installed then you will need to do your own research on this as the way the product is deployed is entirely up to the software vendor.