.NET 2.0,3.0 GAC:
c:\windows\assembly
(32bit
and 64bit?)
.NET 4.0 GAC
c:\windows\Microsoft.NET\assembly\GAC_32
(32bit
only)
c:\windows\Microsoft.NET\assembly\GAC_64
(64bit
only)
c:\windows\Microsoft.NET\assembly\GAC_MSIL
(Any
CPU)