Hotfix Rollup 3120241 for the .NET Framework 4.6.1: x64: http://hotfixv4.microsoft.com/.NET%20Framework%204.6%20Preview,%20Windows%20Vista%20SP2,%20Windows%20Server%202008%20SP2,%20Windows%207%20SP1,%20Windows%20Server%202008%20R2%20SP1/latest/DevDiv116702/01064.02/free/489068_intl_x64_zip.exe x86: http://hotfixv4.microsoft.com/.NET%20Framework%204.6%20Preview,%20Windows%20Vista%20SP2,%20Windows%20Server%202008%20SP2,%20Windows%207%20SP1,%20Windows%20Server%202008%20R2%20SP1/latest/DevDiv116702/01064.02/free/489067_intl_i386_zip.exe