Hello, When I stop build based on ANT execution of build solution I see the MSBUILD.exe which still remain after the build stop. In case not stopped build then no msbuild.exe is there. Could you please to help me what could be a reason? Thanks. zakyn --------------------------- ant ------------------------------ <project name="Project1" default="build" basedir="."> <description> Project1 build </description> <target name="build" depends="" description="build the solution" > <exec executable="cmd.exe" failonerror="false" output="build_log.txt"> <arg value="/c ..\..\buildWithVS2012.bat TMSAppOffboard.sln /Build "Release""/> </exec> </target> </project>