I have the same problem... and hope someone here can supply a fix!
View Source suddenly doesn't work anymore!!
"Anthony LeBaron" <no@spam.org> wrote in news:M72ie.6160$5u4.21008
@nnrp1.uunet.ca:
> Any other ideas?
>
> I cannot view source in Internet Explorer. (suddenly).
>
> I have emptied my cache and deleted my history but the problem persists.