Sony Ericsson j10i2 connected to wi-fi but can't access internet.?

[MaliceEclipse]

Hello, I got problem with Sony Ericsson j10i2 which can't access to internet. The phone already connected to home wi-fi, but when I tried to access the internet, it says "communication error. Try again, turn off your wifi or contact your provider to support."

Please help. D: