For era buddy not running u have to set the path in environment variables.
Follow the steps to solve the error.
1) Go to the Computer -> Properties.
2) Click on the Advance System Settings.
3) Now u will see the System Properties window in which u have to go on Advanced tab and Click on environment variables.
4) now we r in environment variables window here we have to go at system variables. from that we have to select Path variable and click on edit.
5) Copy the following path and paste it in the variable Value.
NOTE use ; before pasting the path if u see another path in the variable value.
6) Click on OK OK OK.
And Restart the ERA Explorer......