BSODs are rare now, but only a few hours ago I got an "update" that broke the start button. Clicking or pressing "win" does nothing now. I'm sure it's fixable,

BSODs are rare now, but only a few hours ago I got an "update" that broke the start button. Clicking or pressing "win" does nothing now. I'm sure it's fixable, but it's not a reliable product by any stretch of imagination.