Still getting "Allow Access to Geth and Refresh the Page"

[TGrandjeanLIST]

even if --rpccorsdomain "http://localhost:8000" is set ....

[TGrandjeanLIST]

Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at http://localhost:8502/. (Reason: CORS header ‘Access-Control-Allow-Origin’ missing). Status code: 200.