Can't download Java games. Certificate error conta...

please can someone help me. each time i try to download java games via wap or cable i keep getting this certificate error message. i used to download just any game before until now. pls help

If the so called root certificate against which the installation file was signed has expired, then a possible workaround is to set the phone date back far enough in the past for the duration of the installation (and then forward again to the correct date).
Otherwise, the application developer needs to deal with it and have the installation file signed again with a digital certificate that has not expired.

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