plugins depending on CppTools need to be disabled to start Qt-Creator

my current Qt-Project ist a project created with the AutoTest-Plugin.

The Projekt uses the GoogleTest framework embedded to the project
by the AutoTest-Plugin in Qt-Creator version 4.10.

Today I update Qt-Creator to version 4.12.
Now Qt-Creator no longer starts successful.

During the start this message pops up:

It looks like Qt Creator closed because of a problem with the "CppTools" plugin. Temporarily disable the plugin?

Details:

The following plugins depend on CppTools and are also disabled: Android, AutoTest, AutotoolsProjectManager, BareMetal, Beautifier, Boot2Qt, CMakeProjectManager, ClangCodeModel, ClangFormat, ClangPchManager, ClangRefactoring, ClangTools, ClassView, CompilationDatabaseProjectManager, CppEditor, Cppcheck, CtfVisualizer, Debugger, Designer, GLSLEditor, Ios, McuSupport, ModelEditor, PerfProfiler, QbsProjectManager, QmakeProjectManager, QmlDesigner, QmlJSEditor, QmlJSTools, QmlPreview, QmlProfiler, Qnx, RemoteLinux, Todo, Valgrind, WinRt.

A newly installed

Qt Creator 4.12.0

Based on Qt 5.14.2 (MSVC 2017, 32 bit)
Erstellt am Apr 22 2020 01:29:13
Revision 10fece1795

shows the same message

 * What is the best way to downgrad to Qt Creator 4.10.0

 ** Found in http://download.qt.io/archive/qtcreator/ version 4.4,

    but not 4.10 

   Qt Creator 4.4 is able to start a new created AutoTest Projekt for GoogleTest.