Hi Chris, Do you have installed 3.2 version? If yes uninstall it and install 3.3.
Piotr On Tue, Nov 21, 2017, 12:29 chris_flex <c...@christiankiefer.de> wrote: > Hi, > > I have tried to install it on 2 Windows Machines and it failed: > > /Sorry, an error has occurred > The application can not be installed because there were problems with the > certificate. The certificate does not match the installed application > certificate, does not support application updates, or is invalid. Contact > the application author./ > (as my machine is in german I copied the message to google translater) > > Any idea how to solve this? > > > > -- > Sent from: http://apache-flex-users.2333346.n4.nabble.com/ >