Earlier quoted context omitted.
If you were Microsoft, it would be trivial, provided you hadn't based your legal anti-trust defence on saying this was impossible. If you had, for example, done that, then it's obviously 'impossible'. Also, their revenue model only works if they can keep selling you upgrades all the time - no profit in fixing the old shit. There a lots of pieces of 3rd party software that mess around with IE in ways that MS have clai…
I had not considered Microsoft's legal need for consistency with statements made in past anti-trust cases. Was the company's argument that IE was not extricable from Windows or that Windows could not function without a tightly-integrated browser? I had thought the argument was the latter, and, if so, I don't see why Microsoft could not provide IE6 as a stand-alone browser while leaving IE8/9/whatever tightly integrat…
During the trial, I think they argued both of the above, amongst other things. However, I'm fairly sure that's water under the bridge at this point. I would assume it's just not judged cost effective to work on decade old junk, nor to give it credence or attention by doing so.