Check if a process is running,if not start the process

We are upgrading our EMET 3.0 to 4.1 Update 1 through SCCM 2012 SP1.  There are two deployments, the first deploys the EMET MSI, the second runs a batch file that does the following:

REM COPY EMET CONF File
 copy "\\SCCM SERVER\sources\packages\EMETConf\EMET_CONF_UPDATE\EMET4.1.1.xml" "C:\Program Files (x86)\EMET 4.1\"

REM DELETE OLD EMET CONFIG
start /d "C:\Program Files (x86)\EMET 4.1" EMET_Conf.exe --delete_all

REM RUN EMET_CONF
start /d "C:\Program Files (x86)\EMET 4.1" EMET_Conf.exe --import SA_EMET4.1.1.xml

What I have found is that sometimes (and not) the EMET_AGENT.EXE process is not running.  The above steps fail if the process is not running.  I want to inject a line into this batch file that says if the EMET_AGENT.EXE processis not running, start it.  If it is, skip starting it.

I had something like below, but just can't get it to work.  Any ideas?

tasklist /nh /fi "imagename eq EMET_AGENT.EXE" | find /i "EMET_AGENT.EXE" > nul ||

Thanks in advance

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