If you got problems like wrong date format in your Citrix programs do the following.
Close all Citrix programs (LSretail, CET) and wait a couple of minutes.
Press + to add programs in your Citrix (online.kvik.com)
Find the program “Regional Settings” and press it. (now it vores to your programs)
Now you should be able to start the program “Regional Settings” from Kvik.
In the top dropdown menu named “Format” choose “Danish” (no matter where you are)
Press OK and wait a couple of minutes.
Now start your Citrix program again and see if the format is correct.