Can'not uninstall. Could'not access Yahoo! Zimbra Desktop Server. If issue persist after reinstall, please check logs for errors and report to: http//www.zimbra.com/forums/zimbra-desktop O.K
(I don't see any logs for errors to report)
Previous version can't be uninstalled. New install can't continue. O.K.
Now how to remove or uninstall previous version (v.1)