I also have a Toshiba Satellite E45t-A4300.
With a intel CORE i5.
I just posted about the broken links minutes ago:
And the manual update, normally it doesn't work. I had the 184.108.40.206 (something like that) and the update kept saying that there was no newer version, so..
Oh, u mean through the Intel Driver Utility? That's probably cause it is "linked" somehow to the broken links.