the system can not find the path specified iniciar.bat ????
it's because you are using Windows in 32 bits.
replace it:
"C:\Program Files (x86)\Java\jre7\bin\java.exe" -jar -Xmx1024m -Xms1024m DO.jar
with it:
"C:\Program Files\Java\jre7\bin\java.exe" -jar -Xmx1024m -Xms1024m DO.jar
in iniciar.bat