Dag DVO, Ik zal in het Engels schrijven.
Hi Gvolt, I will write in English
The installed version is 3.233
I have found the plugin and now the screen is working again. 
Next problem are the Synology directories. I know the IP, login and Paswd
Can somebody write an example of a Pad with the correct \ and /
Many thanks for your help!
Kind regards,
Pieter