| description | title | ms.date | f1_keywords | helpviewer_keywords | ms.assetid | ||
|---|---|---|---|---|---|---|---|
Learn more about: Fatal Error C999 |
Fatal Error C999 |
08/17/2022 |
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a3a49a96-a352-4ff2-aa84-84eb6a9a81f1 |
UNKNOWN MESSAGE 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.