
It was bad news when a crippling bug was found in the Oblivion expansion, Shivering Isles, but according to this post in their official forums, Bethesda hopes to have a patch for both the PC and the 360 version this Monday:
The bug ruined the saves of anyone who installed Shivering Isles--not played, just installed--after about 50 hours or so of gameplay, so here's hoping Bethesda finally has the problem licked.