OK, so I have sent several emails to Elaphantine? And it has not exactly helped. WHY would they change the log in procedure without beta testing it to get rid of the bugs, posting an announcement in...
Many have been able to continue to log on with multiple accounts via Profiles in Chrome or equivalent in Firefox. It's not a great deal different to having multiple tabs open, having multiple instances of the browser of choice.
About Tiberium Alliances Technical Issues
Having problems running the game or a script? Get help with Command and Conquer: Tiberium Alliances with the community!1,403 PostsLatest Activity: 22 minutes ago