fatal error C1107: could not find assembly 'mscorlib.dll'

huangyhg

13>SOURCE\stdafx_clr.cpp : fatal error C1107: could not find assembly 'mscorlib.dll': please specify the assembly search path using /AI or by setting the LIBPATH environment variable
13>已完成生成项目“Pcdlrn32.vcxproj”的操作 - 失败。
========== 生成: 8 成功，1 失败，76 最新，4 已跳过 ==========