:: Simple script to rename the file ModernWarfare.exe to ModernWarfare1.exe to prevent chrashes
:: revised version. i have increased the time to change the process priority.
:: Also, the process priority is constantly reset to normal (no idea if this is necessary, for some users the priority seems to have increased again by itself, so here is the solution)
@ECHO off
:: Change your install path here
set place=F:\Games\Call of Duty Modern Warfare
set PROCNAME="ModernWarfare.exe"

    :startbattlenet
Echo Start Battle.net...
"%place%\Modern Warfare Launcher.exe"
@ping -n 5 localhost> nul
cls
:checkstart
TaskList|Find "Blizzard Battle.net App" >NUL || If Errorlevel 1 Goto startgame
Goto checkstart


    :startgame
echo checking game status...
tasklist /FI "IMAGENAME eq %PROCNAME%*" 2>NUL | find /I /N %PROCNAME%>NUL
if "%ERRORLEVEL%"=="0" (
    Goto gameruns
)
cls
Goto startgame


    :exitgame
echo checking game status...
tasklist /FI "IMAGENAME eq %PROCNAME%*" 2>NUL | find /I /N %PROCNAME%>NUL
if "%ERRORLEVEL%"=="0" (
    cls
    @ping -n 15 localhost> nul
    wmic process where name="ModernWarfare.exe" CALL setpriority "normal" >nul
    Goto exitgame
)
cls
Goto gamequits

    :gameruns
@ping -n 5 localhost> nul
ren "%place%\ModernWarfare.exe" ModernWarfare1.exe >nul
if exist "%place%\ModernWarfare1.exe" goto startrenameok
echo Oops, something went wrong. Let's try it again
@pause
goto startgame

    :startrenameok
cls
ECHO File renamed successfully!
@ping -n 15 localhost> nul
ECHO Changing priority...
wmic process where name="ModernWarfare.exe" CALL setpriority "normal" >nul
ECHO Priority changed to normal
@ping -n 3 localhost> nul
ECHO Have fun playing
@ping -n 5 localhost> nul
cls
GOTO exitgame

    :gamequits
ren "%place%\ModernWarfare1.exe" ModernWarfare.exe >nul
if exist "%place%\ModernWarfare.exe" goto quitrenameok
echo Oops, something went wrong. Let's try it again
goto startgame

    :quitrenameok
cls
ECHO File renamed successfully!
ECHO I hope it was fun.
GOTO exitscript

    :exitscript
echo.
echo Script will be terminated...
@ping -n 3 localhost> nul
exit