title: Qt Compile Time Error . .
body: <p>I am new to Qt, and I am facing the follwoing error. I have set all the environment variables. I don't know what the problem is. Kindly Help me.</p>
  
  <pre><code>11:44:39: Running build steps for project rabiaapp...
  11:44:39: Configuration unchanged, skipping qmake step.
  11:44:39: Starting: "C:\QtSDK\QtCreator\bin\jom.exe" 
      c:\QtSDK\Desktop\Qt\4.8.0\msvc2008\bin\uic.exe ..\rabiaapp\mainwindow.ui -o ui_mainwindow.h
      C:\QtSDK\QtCreator\bin\jom.exe -f Makefile.Debug
  Error: cannot open C:\Windows\main.obj.5540.16.jom for write
  
  jom 1.0.8 - empower your cores
  
  jom: C:\Users\rs01\rabiaapp-build-desktop-Qt_4_8_0_for_Desktop_-_MSVC2008__Qt_SDK__Debug\Makefile [debug] Error 1
  11:44:39: The process "C:\QtSDK\QtCreator\bin\jom.exe" exited with code 2.
  Error while building project rabiaapp (target: Desktop)
  When executing build step 'Make'
  </code></pre>