This browser is no longer supported.

Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.

Download Microsoft Edge More info about Internet Explorer and Microsoft Edge

unknown error; consult documentation for technical support options

Note the circumstances of the error, then try to isolate the problem and create a reproducible test case. For information on how to investigate and report these errors, see How to report a problem with the Visual C++ toolset or documentation .

You may get this error if you mix standard header files (for example, Windows.h) and your own files. Include a precompiled header, if any, first, then the standard headers, followed by your own header files.

Coming soon: Throughout 2024 we will be phasing out GitHub Issues as the feedback mechanism for content and replacing it with a new feedback system. For more information see: https://aka.ms/ContentUserFeedback .

Submit and view feedback for

This product