fatal-error-c1852.md

description	title	ms.date	f1_keywords	helpviewer_keywords	ms.assetid
Learn more about: Fatal Error C1852	Fatal Error C1852	11/04/2016	C1852	C1852	fa011004-b8d6-46f1-ba80-4785e4ce137f

Fatal Error C1852

'filename' is not a valid precompiled header file

The file is not a precompiled header.

To fix by checking the following possible causes

1. Invalid file specified with /Yu or #pragma hdrstop.

2. The compiler assumes a file extension of .pch if you do not specify otherwise.