Deleted the cache-file a few times.
Uninstalled and reinstalled the extension, "WAUnivEmail260.mxp".
I can apply other serverbeaviour from WA.
See attach ... translation :
Adobe Dreamweaver CS4 doesn't work anymore
There's a problem and that's because the programm doesn't work no good anymore.
The programm will be closed and there will be a mention when there a solution available.