I stayed on Feb-18, 2009 Product serial no. 837D9QE-G0A-40BCBD019N
InstallShield 2009 Express 1 Developer License German InstallShield Express 837D9QE-G0A-40BCBD019N bought and installed. Now my PC is defective and I have to install the software on a new computer. When registering, I get the message that 1 user is already registered and therefore no other user is registered. Enclosed my proof of purchase. Can you help me !