Hello Erik!
Thanks for your answer.

The releaseversion of KWT is 2.0.

The last working version, was the DEMO version. I could use that until it requested for a Licens key.

Operating system: 64 bit
Microsoft Network Frame: 4 Clientprofile, and client Profile DAN spro...
and 4 Extended version.
Yes: KWT execuded as admin.
Hardware ACER Aspire 5750 G
I can see that the programe is set up to Work with the XP servicepack 2. I have tried to change it to all the other oportunities with no luck.
This system is Windows 7 home Premium
Best regards Iben Madsen

Hello Ronja11,

please download and install both (2.0.1.2 first and then 2.0.1.11):

FROM HERE: http://www.kettlerworldtours.de/en/mainmenu/software-downloads/downloads.html

Update KETTLER WORLD TOURS 2.0
Download the update to version 2.0.1.11 of the 19.09.2013 here:

KWT 2.0 Update 2.0.1.2 (108 MB)
With this update KWT supports Racer S and Windows 8
KWT 2.0 Update 2.0.1.11 (25 MB)
Installation of update 2.0.1.11 is needed.

greetings

Erik

11.11. 2000 bis 14.12. 2010 AX1; 14. 12. 2010 bis 3. 2. 2016 Ergo Race; ; 4. 2. 2016 bis 11. 3. 2016 Racer 8; 4. 2. 2016 bis 11. 3. 2016 Racer 8; Ab 15. 3. 2016 Racer S, ab 5.12. 2018 Racer S 2018
Letztes IPN Test-Ergebnis in KWT 2.x Sporttyp sehr hoch -> Wert 0,63.
http://help.kettlerworldtours.de/kettlerworldtours30/bedienung/tastatur-und-bedienpanelbelegung.html
https://www.kettlerworldtours.de/main/faq/premium-display.html