Řešení nevím jestli existuje, našel jsem tohle:
http://user.services.openoffice.org/en/forum/viewt opic.php?f=9&t=16726
Confirmed the workaround: If I open OOo and choose File|Open and navigate to the file on the network drive, it opens fine. So the bug appears to be related to *launching* OOo by opening a file on a network drive.