If the files from Google scholar won't import into EndNote online but just download, find one of those RIS files in the downloads folder and,
Endnote Basic is not working with the new version of Firefox! No estimated time frame on a fix, but I assume they are working pretty hard to solve this.
In the meantime here are some options:
On a Mac computer if Google Scholar citations do not export to Endnote Basic
Install the Firefox plug-in located in your Endnoteweb account at the bottom of page
*(Best to use Firefox for all Endnote work, but Chrome will work if just using you Endnote Library.)