Problem with Toshiba Tablet

[fasai]

My Toshiba Tablet using Android has a big problem which I don't know what to do. When I try to download stuff to tablet, it keeps coming up RPC:S-7:AEC-0 GDWP-HCMQ-KTSIG. What does this mean and what do I have to do??? Please help out if anyone's knows...THX in advance

 

[Titillating]

Another user had a problem similar to this and others offered a number of possible fixes: http/www.tomsguide.com/answers/id-2389940/error-retrieving-information-server-rpc-aec.html