webengine crash-StackHash_0a9e

======update =====
问题签名:
问题事件名称: APPCRASH
应用程序名: demobrowser.exe
应用程序版本: 0.0.0.0
应用程序时间戳: 5746a8ee
故障模块名称: StackHash_0a9e
故障模块版本: 0.0.0.0
故障模块时间戳: 00000000
异常代码: c000001d
异常偏移: 0427007e
OS 版本: 6.1.7601.2.1.0.256.48
区域设置 ID: 1033
其他信息 1: 0a9e
其他信息 2: 0a9e372d3b4ad19135b953a78882e789
其他信息 3: 0a9e
其他信息 4: 0a9e372d3b4ad19135b953a78882e789

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=======origin =======
Application crash when use any webengine example.
Os is Windows 7 sp1 professional edition use official package. In most of computers were fine but in clean windows7 sp1 it's crash, I don't know why.
error info is StackHash_0a9e.