mobile

Having an issue I've not seen before. I've got an S-OFF M8, AT&T Branded and Super CID. Tried installing the new AT&T Lollipop RUU today and it shuts down after agreeing to the License Agreement. I thought it might be an issue with this particular file, but I re-downloaded it and same thing. Tried a T-Mo file as well and it also failed.

Any idea why? This is a new laptop, running Win7 but I've never had the problem when I've changed laptops before.