There are mainly three possible scenarios where you can receive this Sage error. Here are they:  Cannot install update due to Sage Error This product update cannot be installed because this folder no longer exists or does not contain the correct version of Sage 50. Sage 50 was previously installed in the following folder: C:\\Program Files (x86)\\Sage 50.  Can't install update because the folder doesn't exist I get an error that a folder doesn't contain Sage 50 when trying to install an update.