Cannot start ARIS Express under Windows 7

I cannot start ARIS Express due to the error message "Anwendung konnte nicht gestartet werden". I run Windows 7 x64 with Java 1.6_20. Details show me the following:

Fehler:

Angegebene Datei/URL konnte nicht geladen werden:

C:\Users\D046075\AppData\LocalLow\Sun\Java\Deployment\cache\6.0\45\72b5016d-2f28d6b8

Ausnahme:

CouldNotLoadArgumentException[ Angegebene Datei/URL konnte nicht geladen werden: C:\Users\d046075\AppData\LocalLow\Sun\Java\Deployment\cache\6.0\45\72b5016d-2f28d6b8]

 at com.sun.javaws.Main.launchApp(Unknown Source)

 at com.sun.javaws.Main.continueInSecureThread(Unknown Source)

 at com.sun.javaws.Main$1.run(Unknown Source)

 at java.lang.Thread.run(Unknown Source)

 

Gekapselte Ausnahme:

ava.io.FileNotFoundException: C:\Users\d046075\AppData\LocalLow\Sun\Java\Deployment\cache\6.0\45\72b5016d-2f28d6b8 (The system cannot find the file specified)

 at java.io.FileInputStream.open(Native Method)

 at java.io.FileInputStream.<init>(Unknown Source)

 at java.io.FileInputStream.<init>(Unknown Source)

 at com.sun.javaws.jnl.LaunchDescFactory.buildDescriptor(Unknown Source)

 at com.sun.javaws.Main.launchApp(Unknown Source)

 at com.sun.javaws.Main.continueInSecureThread(Unknown Source)

 at com.sun.javaws.Main$1.run(Unknown Source)

 at java.lang.Thread.run(Unknown Source)

What is that all about?