Thanks to StackOverflow I found out yesterday how to add a custom action to the Visual Studio Installer to start my program after an update. The problem I now face is that at th
I followed the instructions here: http://msdn.microsoft.com/en-us/library/d9k65z2d.aspx
..And got the "Error 1001: could not find file InstallState" error.
After reading ThaKidd's answer above, I realized that I would have to: Add the installer class to both the Install and Commit folders.
Really important. Just leaving this here for future visitors (I would have added a comment if SO allowed me to...)