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Learn more about: Fatal Error C1000, C1999
Fatal Error C1000, C1999
08/17/2022
C1000
C1999
C1000
C1999

Fatal error C1000, C1999

UNKNOWN FATAL ERROR Please choose the Technical Support command on the Visual C++ Help menu, or open the Technical Support help file for more information

This error sometimes means that you have mixed files from different versions of the compiler, or your compiler installation is corrupted. Use the Visual Studio Installer, the System Settings for Apps & features, or the Control panel's Add or remove programs to repair or reinstall the product.