Try to build each folder one by one on x86 first then switch to x64 and build folder by folder. Not all classes will build and you will see a ton of warring's. From: freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] On Behalf Of Kees Varekamp Sent: Monday, January 27, 2014 8:11 PM To: FreeSWITCH Users Help Subject: [Freeswitch-users] mod_v8 fails to build on win64 Hello, I'm getting these when I try to build mod_v8 in VS2012 express, release x64: Error 1 error MSB6006: "cmd.exe" exited with code 4. C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V110\Microsoft.CppCommon.targets 172 5 libv8 Error 2 error LNK1181: cannot open input file 'icui18n.lib' C:\freeswitch\src\mod\languages\mod_v8\LINK mod_v8 Does anyone have any suggestions? Thanks, Kees