Error in basic miktex installation

 Hi friends, I encountered a following error while installating basic miktex 2.9, 64 bit version. Could you pls help me out with this. Thanks.


An error occurred:
  source file: Libraries\MiKTeX\Core\Process\Process.cpp
  source line: 159
  message: The executed process did not succeed.
  info: fileName="C:\Program Files\MiKTeX 2.9\miktex/bin/x64\initexmf.exe", arguments="--register-shell-file-types --admin --log-file="C:\Program Files\MiKTeX 2.9\miktex/config\uninst.log" --verbose", exitCode="1"
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