Fatal Error C1601
Visual Studio 2015
The new home for Visual Studio documentation is Visual Studio 2017 Documentation on docs.microsoft.com.
The latest version of this topic can be found at Fatal Error C1601.
unsupported inline assembly opcode
This error indicates a mismatch in your compiler .exe files, which may have occurred because of an incomplete installation. For example, you may have installed a service pack but not the Processor Pack. Install all required products.
Show: