QtWebEngineProcess.exe crash with quicknanobrowser (Qt 5.5 beta candidate)

I get QtWebEngineProcess.exe crash at startup with quicknanobrowser and fancybrowser examples (with Qt 5.5 beta candidate build #13) using Windows 8.1 and VS2013 64 bit.

Problem signature:
Problem Event Name: APPCRASH
Application Name: QtWebEngineProcess.exe
Application Version: 0.0.0.0
Application Timestamp: 552e55c2
Fault Module Name: Qt5WebEngineCore.dll
Fault Module Version: 5.5.0.0
Fault Module Timestamp: 552e54cb
Exception Code: c0000005
Exception Offset: 0000000000ea4280
OS Version: 6.3.9600.2.0.0.256.4
Locale ID: 1035
Additional Information 1: ae6a
Additional Information 2: ae6adb04c65b9032379d1f671a2fc698
Additional Information 3: bbbc
Additional Information 4: bbbce98491bfc2c44dadc2f87ce85845