Citavi 4 is built with .NET 4.5 which can't be run under wine yet.
According to Citavi Customer Service Preview 3 (=188.8.131.522) will be the last Preview which will be superseded by a first Beta.
It will be installed with InstallShield which makes the workaround from V 3.x using the portable version unnecessary.
run CitaviSetup.exe - but installer doesn't finish
What does not
install neccessary prerequisite: .NET4.5
What was not tested
please check .NET4.5-entry in appdb for updates:
|Operating system||Test date||Wine version||Installs?||Runs?||Used|
|Current||openSUSE 12.2 x86_64||Feb 17 2013||1.5.23||No||Not installable||Garbage||bremer|