How to Resolve PS4 Error Code CE-34788-0 (Update File Cannot Be Used)

Many PS4 users report encountering the error [CE-34788-0] when trying to update the PS4 system software. The error message indicates that the update file is invalid and recommends trying again.

Some users were able to easily fix the PS4 error [CE-34788-0] by re-downloading the appropriate update file and saving it correctly on the appropriate USB flash drive. Others were unsuccessful no matter how many times they reloaded the PS4 software update file. This Techquack post is for those users who are desperate to find an effective solution to this PS4 problem.

What causes PS4 error code CE-34788-0?

The most common cause of this problem is a corrupted update file that you automatically downloaded for your console or tried to install manually through a USB flash drive, resulting in a black screen instead of a normal boot. Fortunately, there is a way to solve this problem by completely rebooting your PS4 system to a USB device and reinstalling it from there.

Another way to solve the problem could be a hardware reset. This method works in fewer cases, but it’s worth trying because it only takes a minute, unlike the method above.

How to solve the PS4 error CE-34788-0?

Updating PS4 system manually

Backup your PS4 with a USB flash drive

  1. Format the USB drive with exFAT or FAT format.
  2. Turn on the PS4 system and plug in the USB flash drive.
  3. Go to Settings and click System. Then select Backup and restore.
  4. On this screen, select the Back up PS4 option.
  5. Activate the Backup applications option by pressing X on the PS4 controller.
  6. At that point, the system will reboot while your data is copied to the USB storage device.
  7. This process may take some time, from a few hours to a day.

Install the latest firmware version

  1. After the backup process is complete, open your computer and create a new folder named PS4.
  2. Create another folder inside the PS4 folder you just created and name it UPDATE.
  3. Download the PlayStation 4 firmware update from Run Install New Firmware.
  4. Rename the downloaded firmware to PS4UPDATE.PUP and save the downloaded file to the UPDATE folder you created earlier.
  5. Copy the PS4 folder from your computer and place it in the root directory of the USB drive.
  6. Open the console settings and go to the System Software Update section.

Tip: If you downloaded the update correctly and named the folders appropriately, all you have to do is follow the on-screen instructions to complete the installation.

Restore your PS4 system

  1. Connect the USB flash drive that you used to back up your files to the PS4.
  2. Go to settings.
  3. Select the Manage Saved Data option in the app.
  4. Click the option Save Data to USB storage and select Upload to System Storage.
  5. Finally, select a name and click the X button to check the box next to the backup you want to use.
  6. Click Copy to complete the process.

The disadvantage of this method is that it deletes all of your personal data from the system. However, PS4 error code CE-34788-0 doesn’t leave you with many options, and that may be the price you have to pay to get your PS4 back in working order.

To avoid PS4 error CE-34788-0 next time, always make sure your PS4 console is turned off correctly before putting it away in the closet.

Perform a hardware reset on your PlayStation 4

Resetting your PlayStation 4 can work wonders, and we recommend you try it if you get a CE-34788-0 error when trying to update your PS4. This can easily fix the problem without having to try to reinstall the entire system manually, and it only takes a minute.

  1. Press and hold the power button on the front of the Xbox console until it turns off completely.
  2. Unplug the power cord from the back of the PS4. Press and hold the power button on the PS4 several times to make sure the power is off.
  3. This will remove the cover and disconnect the PS4 from the power source. Remember to leave it unplugged for a few minutes.
  4. Plug the power supply back in and wait until the power supply light turns white and orange.
  5. Turn on your PS4 as usual and check if the PS4 error CE-34788-0 still appears when the console starts up.

Frequently Asked Questions

Some users were able to easily fix the PS4 error [CE-34788-0] by re-downloading the appropriate file update and saving it correctly on the appropriate USB flash drive. Others could not succeed no matter how many times they reloaded the PS4 software update file.

If you keep getting the "Failed to find update file (SU-41350-3)" message, it means you have a hardware problem, either with the USB drive or with the PS4 itself. Let's not assume the worst and try the USB drive.

The CE-34878-0 error is a common error that indicates that the game you are playing has crashed. If you are getting the CE-34878-0 error, you need to restart the game you are currently playing.

Start the console in safe mode by holding down the power button until the DualShock beeps. Then connect your DualShock 4 controller to the console via USB cable and press the PS Pairing button. From the Safe Mode menu, select Update System Software -> Update from USB Flash Drive. Select the OK option.

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