You should not run DEVONthink 2 and 3 on the same account, on the same machine. At a minimum, you should delete the DEVONthink 2 application from the /Applications folder.
You should not run DEVONthink 2 and 3 on the same account, on the same machine. At a minimum, you should delete the DEVONthink 2 application from the /Applications folder.