error:org.openqa.selenium.WebDriverException:Unable to bind

am running parametrized gmail login test
i have 3 login ids/pwd in xlsx & i pick from there n punch in at gmail login to test if login works

selenium opens 1st browser n executes fine, but unless n until i close that browser 2nd browser for 2nd login doesnt open up
n it shows error:org.openqa.selenium.WebDriverException: Unable to bind to locking port 7054 within 45000 ms

Query:
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Any settings i should do in browser?????to set make selenium open a browser instance > complete login verification>open another tab in same browser to check 2nd n 3rd logins respectively???