Compiling QT with MSVC 2012 fails

Compiling QT with MSVC 2012 fails

I installed QT 5.1 VS2012 release and installed successfuly.
I get error while compilng the project in QT Creator with the 'jom' thingy
saying:
*"jom:
F:\tmp2\build-testprj-Desktop_Qt_5_1_0_MSVC2012_32bit-Debug\Makefile.Debug
[debug\mainwindow.obj] Error 2 jom:
F:\tmp2\build-testprj-Desktop_Qt_5_1_0_MSVC2012_32bit-Debug\Makefile.Debug
[debug\moc_mainwindow.obj] Error 2 jom:
F:\tmp2\build-testprj-Desktop_Qt_5_1_0_MSVC2012_32bit-Debug\Makefile
[debug] Error 2 17:30:06: The process
"C:\Qt\Qt5.1.0\Tools\QtCreator\bin\jom.exe" exited with code 2. Error
while building/deploying project testprj (kit: Desktop Qt 5.1.0 MSVC2012
32bit) When executing step 'Make'"*