Err_connect_timeout Update 4.19.? (RS201)

I need some help regarding the update to 4.19.? from 4.17. I always get the message Err_connect_timeout.

ROSE ID = 0B45D6
REGION = Switzerland
EMAIL = kontakt@raumfarbe.ch
DEVICE = RS201

@raumfarbe
I have sent the RS201 update file and instructions for using the update file to your email.

Thank you for the file, the System is now updating, so everything works so far.