Redistribution of this update is allowed, subject to the same license terms as granted by the Microsoft Visual Studio 2013 Update 5 release. This update for Microsoft Visual C++ 2013 Update 5 Redistributable Package is released as a download-only update and isn’t distributed through Windows Update. This problem occurs because the Visual C++ 2013 圆4 C Runtime does not check whether the operating system supports AVX state saving before it tries to run AVX or FMA3 instructions. Note Windows PE does not support AVX state saving. In the Windows Preinstall Environment (Windows PE) If AVX state saving is explicitly disabled in the operating system boot configuration On an old version of the Windows operating system that does not support AVX state saving (for example, Windows Vista) if it's used on a computer that supports the AVX instruction set This problem is most likely to occur in the following scenarios: Affected functions include log, log10, and pow, and others. If the instructions are not available for use, calls to these functions cause an illegal instruction exception (0xc000001d).
Some floating-point math library functions in the Visual C++ 2013 圆4 C Runtime (CRT) do not correctly check whether certain AVX and FMA3 instructions are available before the functions try to use them.
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