online search in Endnote X8-Mac not working properly

Please try the following steps from our Knowledge Base:

https://support.clarivate.com/Endnote/s/article/EndNote-X72-and-Later-Mac-Online-Search-Fails?language=en_US

If that does not resolve the issue then:

Please contact Technical Support directly

1-800-336-4474 option 4 then 1 or

https://support.clarivate.com/Endnote/s/technicalsupport?language=en_US