4.11 to 4.12 all C+ projects destroyed

Development Platform & Builds
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1

At import any of my BP+ C++ Projects to UE4.12 from 4.11 return me always this:

1>------ Build started: Project: ProjectInt, Configuration: Development_Editor x64 ------
1>  Creating makefile for hot reloading ProjectIntEditor (no existing makefile)
1>  Compiling game modules for hot reload
1>  Performing full C++ include scan (no include cache file)
1>  Parsing headers for ProjectIntEditor
1>    Running UnrealHeaderTool "D:\Users\Documents\Unreal Projects\ProjectInt 4.11 - 2 4.12\ProjectInt.uproject" "D:\Users\Documents\Unreal Projects\ProjectInt 4.11 - 2 4.12\Intermediate\Build\Win64\ProjectIntEditor\Development\ProjectIntEditor.uhtmanifest" -LogCmds="loginit warning, logexit warning, logdatabase error" -Unattended -WarningsAsErrors -installed
1>LogCompile : error : Failed to initialize the engine (PreInit failed).
1>Error : Failed to generate code for ProjectIntEditor - error code: CrashOrAssert (3)
1>  UnrealHeaderTool failed for target 'ProjectIntEditor' (platform: Win64, module info: D:\Users\Documents\Unreal Projects\ProjectInt 4.11 - 2 4.12\Intermediate\Build\Win64\ProjectIntEditor\Development\ProjectIntEditor.uhtmanifest).
1>C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V140\Microsoft.MakeFile.Targets(37,5): error MSB3073: The command ""D:\Program Files (x86)\Epic Games\4.12\Engine\Build\BatchFiles\Build.bat" ProjectIntEditor Win64 Development "D:\Users\Documents\Unreal Projects\ProjectInt 4.11 - 2 4.12\ProjectInt.uproject" -waitmutex" exited with code 3.
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========

And the compiler don’t say nothing more. But at import from 4.10 to 4.12 import with the normal errors.

2

Check to make sure that all your plugins are compatible with 4.12 (which to my knowledge, not one of them is!), so, uninstall all plugins and update to 4.12 and see if that works.

3

Thanks you removing the plugins info from the project file, now give the normal info.