My Msfvenom,Msfconsole Is Not Exploiting Successfully... The Meterpreter Session Is Not Opening

I am trying to exploit my windows 7 system in my local network by msfvenom,msfconsole... i have followed every thing but my exploit is not opning. I have created the .exe file i have set payloads and stuff by msfconsole and then I installed it on my windows 7 system and whin i type exploit , it says

started reverse TCP handler on 192.168.0.100:4444

starting the payload handler ....

"

please someone help me