Originally Posted By: wfaulk
So if I need 2.0, I should be able to install 3.5 instead? And probably should?


Yes.

Originally Posted By: wfaulk

And 4.0 is (binary) incompatible?


That I'm not 100% sure of. I think that stuff built for an earlier version is supposed to work against the newer version of the CLR, except where it calls stuff that has had breaking changes. But I could be wrong, if I have stuff that was built for CLR 2.0 I make sure I have CLR 2.0 installed...
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