I am using Visual Studio 2012. I want to Debug .NET Framework source code. I have tried nearly all the options but I am still getting There is source code available for Cu
This feature was broken in VS2010 SP1, it might be broken in VS2012 as well. Or Microsoft might release incorrect PDB files for the latest .NET Framework version (this had happened before). Try alternative solutions. I'm using .NET Reflector VSPro - it allows to decompile assemblies, load decompiled symbols during debugging and use full debugging features for these decompiled assemblies.