Setup has detected a different version of this product

Dear SDL,

when I want to open a document to work with it, I see this message. 

I tried to uninstall the programm, but this message appears. 

I tried this solutions ( https://gateway.rws.com/csm?id=kb_article_view&sysparm_article=KB0032886 ), but they didn´t help. (this message appears).

Could you help me, please?

Thank you for your assistance and kind regards.