The automatic update from the Dashboard failed repeatedly, so I tried a manual update of 3.8 using FTP and cpanel from the BlueHost site, which appears to be successful. However, the updates/re-installs of the plug-ins from the dashboard seem to have the same problem. I have not tried manual updates of the plugins, because I would prefer to have everything working via the dashboard, and not have to manually update everything in the future via FTP and the BlueHost back-end, which is very cumbersome.