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Jun 04, 2009 08:48 PM|LINK
I'm sorry to hear about all the trouble you had getting MVC installed, but I'm glad that you managed. In the Beta we only added support to the installer to GAC the assemblies, but starting with the RCs we began to create native images as well.
ngen failures can be nasty. When the MVC installer runs it automatically performs an ngen update and compiles any assembly that might be deemed to be out of date. Any failure during the ngen process is reported back and the installation will initiate a rollback.