Try with this link:

http://www.elektron-users.com/index.php?option=com_docman&task=cat_view&gid=29&dir=ASC&order=date&Itemid=30&limit=12&limitstart=0

On the page you should find MnM OS 1.10c. Downgrade, then work for a while in this OS, and try upgrading. Hope this helps!