I just downloaded the SI patch so OBSE would work, and it doesnt give any error messages or anything, it just opens the game and lets the map of Cyrodiil scroll by slowly... No continue, new game, load game, etc. Nothing.
I ran the game from Oblivion.exe and it works fine.
I want OBSE because I believe it will fix my problem with my modded Oblivion where I place items in my house, save and load, and theyre gone. Disappeared.