The PS3 system was unable to check the system software update data due to low memory.
Restart the PS3 system to refresh the memory.
If the problem persists, the PS3 system may be attempting to connect to the wrong update server.
Reset the PS3 system’s proxy server and check if the DNS setting is correct. If you are unsure what the DNS setting should be, select [Automatic]. Click here to learn how to configure the PS3 system’s network settings.