How to fix CE-42288-4

An error occurred while connecting to PlayStation™Network (PSN).

Please try the following steps:

  1. Try setting up your internet connection again.
  2. Turn off your router, wait at least 5 minutes, and then turn it back on.
  3. Try updating your router's firmware. (For details on how to update, contact your router vendor.)
  4. Start your PlayStation®4 console in Safe Mode and select Rebuild Database.

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