Visual Studio 2019 - C4800 Build Error - FIX ► Unreal Engine Tutorial (English Subtitle)

Опубликовано: 05 Август 2026
на канале: Der Sky
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This is how you can build and start the Unreal Engine 4 (UE 4.24.3 or higher) in Visual Studio 2019 without any problems! The errors C4800 and MSB3075 occur since the new VS19 update and can easily be solved in the VCToolChain.cs file.

I use the Github Source Version 4.24.3, but it doesn't matter if you use 4.14 or higher (4.25+) for the tutorials.
More Unreal Engine 4 tutorials will follow.

► Enter this in line 486 in the "VCToolChain.cs" file:
Arguments.Add("/wd4800"); // 4800: Implicit conversion from 'type' to bool. Possible information loss

► The tutorial is for the following errors:
C4800 Implicit conversion of "ADODB::_Recordset *const " to a boolean value. Data loss possible.
C4800 Implizite Konvertierung von "ADODB::_Recordset *const " in einen booleschen Wert. Datenverlust möglich.
C4800 Implicit conversion from 'T' to bool
MSB3075 The command "..\..\Build\BathFiles\Build.bat -Target= ..." was terminated with Code 5. Make sure that you are authorized to execute this command.
MSB3075 Der Befehl "..\..\Build\BathFiles\Build.bat -Target= ..." wurde mit Code 5 beendet. Stellen Sie sicher, dass Sie zur Ausführung dieses Befehls berechtigt sind.

► Unreal Engine 4.23.x (or higher)
► Unreal Engine Tutorial (German) Playlist:    • Unreal Engine 4 Tutorials - Deutsch (Basics)  

Thanks to "bgidiere" for the help!
"Repair"-Icon on the Thumbnail, made by Pixel perfect from www.flaticon.com

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