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    error LNK2005: "__cdecl Windows::Foundation::operator co_await(struct Windows::Foundation::IAsyncAction ^)" (??__LFoundation@Windows@@YA@PE$AAUIAsyncAction@01@@Z) already defined in pch.obj

    fixed in: visual studio 2019 version 16.4fixed in: visual studio 2019 version 16.5 preview 116.4 preview 4windows 10.0Fixed In: Visual Studio 2019 version 16.4 Preview 6Fixed In: Visual Studio 2019 version 16.5 Preview 2

    avatar image Johan Laanstra [MSFT] reported Nov 09, 2019 at 04:15 AM

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    This issue is read only, because it has been in Closed–Fixed state for over 90 days. It was closed for 214 days.

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    avatar image Visual Studio Feedback System Nov 11, 2019 at 02:41 AM
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    avatar image Jerry Feng [MSFT] Nov 12, 2019 at 06:00 AM
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    avatar image Daniel Griffing [MSFT] Nov 14, 2019 at 06:59 PM
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    avatar image Visual Studio Feedback System Nov 18, 2019 at 09:10 PM
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    avatar image Visual Studio Feedback System Nov 22, 2019 at 03:07 AM
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    by Visual Studio Feedback System    Dec 04, 2019 at 01:30 PM
    Changed state ➜ Closed - Fixed
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    This issue has been closed for over 90 days. If we haven't resolved this issue for you, please report a new problem
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    I have installed the fix by upgrading to the latest version of Visual Studio. The issue is still not fixed:

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