How to Fix PS4 Error Code CE 34878-0 when An error has occurred with the application (Best Method)
2PS4 error code CE-34878-0 is a very common and frustrating error that means the game or application you were using has crashed. While it can be a sign of a more serious issue, it's often fixable with some simple troubleshooting steps.
Here is a step-by-step guide on how to fix PS4 Error Code CE-34878-0, from the most basic solutions to more advanced ones.
Step 1: Restart the Console and the Game
This is the simplest and often most effective first step.
Close the application: Press the PS button and close the game or app that crashed.
Restart the console: Turn your PS4 off completely (not into rest mode). Unplug the power cord for a few minutes, then plug it back in and turn on the console.
Restart the controller: Press and hold the PS button on your controller to turn it off. Turn it back on and reconnect it to the console.
Step 2: Check for Game and System Software Updates
An outdated game or system software can often cause crashes and errors.
Update the game:
On the PS4 home screen, highlight the game that is causing the error.
Press the Options button on your controller.
Select "Check for Update".
Install any available updates.
Update the PS4 system software:
Go to Settings from the PS4 home screen.
Select "System Software Update".
The PS4 will check for and install any available updates.
Step 3: Rebuild the Database
Rebuilding the database can fix corrupted data and reorganize your console's files, which can resolve many common issues, including this error. It's a safe process that won't delete any of your games or saved data.
Turn off your PS4 completely (do not use rest mode).
Enter Safe Mode: Press and hold the power button on the console. You'll hear one beep immediately, then a second beep about 7 seconds later. Release the button.
Connect your controller: Plug your DualShock 4 controller into the PS4 with a USB cable and press the PS button.
Select "Rebuild Database": Choose this option from the Safe Mode menu.
Wait for the process to complete. This can take anywhere from a few minutes to a few hours, depending on how much data you have on your hard drive.
Step 4: Reinstall the Game
If the problem persists, the game's installation files may be corrupted. This step will delete the game but will not affect your save data (as long as it is backed up).
Backup your saved data:
PS Plus: If you have a PlayStation Plus subscription, your save data is likely already backed up to the cloud automatically.
USB Drive: You can manually back up save data to a USB drive via Settings Application Saved Data Management.
Delete the game:
On the PS4 home screen, highlight the game.
Press the Options button and select "Delete".
Reinstall the game:
Go to your Library.
Find the game under the Purchased tab.
Select it and choose "Download".
Step 5: Initialize the PS4 (Factory Reset)
This is a last-resort solution. It will erase everything on your PS4, including all games, saved data, and settings. Only do this if the other steps have failed and you have already backed up your data.
Back up all your data to an external hard drive or USB drive.
Go to Settings.
Select "Initialization".
Choose "Initialize PS4".
Select "Full" to perform a thorough reset.
Other Potential Causes and Solutions
Hard Drive Upgrade: If you have replaced the PS4's hard drive, a faulty or incompatible drive could be the cause. Try reinstalling the original hard drive to see if the issue is resolved.
PS Camera: If you have a PlayStation Camera connected, try unplugging it. Go to Settings Login Settings and disable "Enable Face Recognition" as well.
Overheating: Ensure your PS4 has proper ventilation and is not overheating.
Specific Game Issues: Sometimes, this error is tied to a specific game, a specific section of that game, or even a specific save file. If the error only occurs with one game, check that game's official forums or support pages for known bugs and solutions.
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