Android tablet suddenly developed authentication problem

EssexRob

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Jun 22, 2014
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Hi I'm hoping someone can give me a definitive answer to this one,

My housemate has been using his tablet with my wireless router for a few months now and all of a sudden it's developed and "authentication problem" when he tried to connect.

He's tried forgetting the connection and is using the correct pass phrase. Could this be due to an update to either Android or my router itself?

I've looked on Google and there seems to be a hundred different answers and solutions to this issue and I'm really confused!

Any help would be much appreciated.