This one its very easy .
Make this:
Step 1 :
https://www.steinberg.net/nc/en/support/knowledgebase_new/show_details/kb_show/how-to-uninstall-the-elicenser-control-centerlicense-control-center.html
Step 2 :
Reinstall the SX1 .
Step 3 :
Reinstal the soft eLicenser :
greets from Germany
Carlos