There is no reasonable fix for that. And you can be sure it out lived the warrentee if that thing was every covered by it. A glass shop would have to remove the glass seperate that glass just to retrive it and then make you a new sealed unit and re install.
One should not have anything to do with the other. But If you are lacking insulation below the air chutes then you could have cold areas where moisture could condense on the ceiling . What else was happening when you had the holes drilled.
How high are the stub that the legs are bolted to and how tight are they?
I think I would bolt an LVL to both ends and add an angles 2x4 brace to both ends to keep it square.
Jack up all for corners and build cribbing under each corner until it is off the stubs. the you can lift it with the...