ALINK : warning AL1073: Referenced assembly 'mscorlib.dll' targets a different processor

Question

We are using VS2013 and .Net 4.5.1(recently migrated, but this error is there from .Net 4.0) . This error occurs only when compiling the project in platform target x64. Is t

Answer 1

Just some addition to Matt's answer (I don't have enough reputation to add a comment): I believe

near the end of the file

is right after the line:

I have tested and if the above line precedes the (re)definition of $TargetFrameworkSDKToolsDirectory then AL1073 warning is gone. Otherwise it persists.