Starting D:\Qt5.11.1\Examples\Qt-5.11.1\bluetooth\build-btchat-Desktop_Qt_5_11_1_MSVC2017_64bit-Release\release\btchat.exe... qt.bluetooth.winrt: Port 1 registered qt.bluetooth.winrt: class Microsoft::WRL::ComPtr __cdecl bufferFromAttribute(const class QVariant &) Registering Uuid attribute with length 16 qt.bluetooth.winrt: Registering sequence attribute qt.bluetooth.winrt: class Microsoft::WRL::ComPtr __cdecl bufferFromAttribute(const class QVariant &) Registering Uuid attribute with length 2 "{00001002-0000-1000-8000-00805f9b34fb}" qt.bluetooth.winrt: class Microsoft::WRL::ComPtr __cdecl bufferFromAttribute(const class QVariant &) Registered sequence attribute with length 3 qt.bluetooth.winrt: Registering sequence attribute qt.bluetooth.winrt: class Microsoft::WRL::ComPtr __cdecl bufferFromAttribute(const class QVariant &) Registering Uuid attribute with length 2 "{00001101-0000-1000-8000-00805f9b34fb}" qt.bluetooth.winrt: class Microsoft::WRL::ComPtr __cdecl bufferFromAttribute(const class QVariant &) Registered sequence attribute with length 3 qt.bluetooth.winrt: bool __cdecl repairProfileDescriptorListIfNeeded(class Microsoft::WRL::ComPtr &) Repairing profile descriptor list qt.bluetooth.winrt: class Microsoft::WRL::ComPtr __cdecl bufferFromAttribute(const class QVariant &) Registering attribute of type QMetaType::QString qt.bluetooth.winrt: class Microsoft::WRL::ComPtr __cdecl bufferFromAttribute(const class QVariant &) Registering attribute of type QMetaType::QString qt.bluetooth.winrt: class Microsoft::WRL::ComPtr __cdecl bufferFromAttribute(const class QVariant &) Registering attribute of type QMetaType::QString server created