How to fix Save Error 510 in Sims 4 on Windows 10 PCs

Aleksandar Ognjanovic
by Aleksandar Ognjanovic
Troubleshooting Expert
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  • Sims 4 is one of the most popular sequels of the most popular, so to say, life simulation ever. EA managed to improve on the old recipe and make it even better.
  • The main reason for basically all save-related errors are mods. You'll need to keep them up to date.
  • There are promises that Sims 5 will be released in 2021 but until then, read all about the current iterations in our Sims 4 section
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Save Error 510 in Sims 4 on Windows 10 PCs
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Sims 4 is one of the most popular sequels of the most popular, so to say, life simulation ever.

Now, EA somehow managed to improve on the old recipe and make it even better with a dozen DLCs and additional content.

Nonetheless, this game has various downsides, including bugs and various errors. The one we’ll try to sort out today goes by the code 510 and it occurs while saving the in-game progress.

In order to resolve this error, we advise you to follow gradually the steps below in order we presented below.

How can I resolve Sims 4 Save error 510 on PC?

  1. Update mods
  2. Remove mods
  3. Clear game cache
  4. Validate the game integrity with Origin
  5. Reinstall the game

1: Update mods

The main reason for basically all save-related errors are mods. They’re mostly provided and administered by third-party sites and they certainly do enrich the overall experience.

However, you’ll need to keep them up to date. A lot of valuable mods a large player base uses in Sims 4 are outdated and not in the sync with the current Sims 4 version.

You might also be interested in our The Sims 4 won’t save [FIX] article

Because of that, before you completely remove mods, we advise you to update the ones you can.

For that purpose, you’ll need to navigate to the mod supplier’s site and look for the fresh version of all installed mods.

Only the mods that support the current Sims 4 version will be able to run in a seamless manner. Thus, you’ll have a better time with saving the game progress.

2: Remove mods

In case you’re still seeing the same save error 510, the next step you should consider is removing the mods from your installation.

Now, we don’t say to delete them all immediately (even though you can do that, as well).

What we say is to move the mods folder to an alternative location (Desktop is a good choice) and create a new folder with the same name folder.

Now, you can insert mods individually and look for an error trigger. Once you’re certain which mod causes the error, make sure to exclude it from the game.

3: Clear game cache

Now, even though our suspicion is focused on unsupported and/or outdated mods, culprits often come in numbers.

The corrupted cache can also inflict a save error, including the one with the 510 error code.

What you’ll need to do in order to resolve this is to delete certain cache files and move from there.

Of course, before you start meddling with the Sims 4 installation, don’t forget to backup your save files.

Here’s how to clear the cache in Sims 4, and hopefully resolve the save error 510:

  1. Exit the game.
  2. Go to Documents (My Documents).
  3. Open Electronic Arts.
  4. Open Sims 4.
  5. Move your Saves folder to Desktop or an alternative location.
  6. Delete these cache files from Cache folder:
    • localthumbcache.package
    • cache
    • cachestr
    • cachewebkit
    • lotcachedData
  7. Start the game.

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4: Validate the game integrity with Origin

In case you’ve acquired the game from Origin client, you can use it to repair corrupted or missing game files and address the problem that way.

Now, this comes once you’ve dismissed mods as the instigators of the problem. The game files can get corrupted, too.

Especially due to malware infection or accidental deletion of one or more essential files.

Here’s how to validate the game integrity with Origin and resolve possible saving stall caused by corrupted/incomplete installation files:

  1. Open Origin client.
  2. Navigate to My Games.
  3. Right-click Sims 4 and click Repair install.
  4. The tool will check your game and repair corrupted or incomplete files.

5: Reinstall the game

Lastly, if you’re still unable to move past the save error 510, we advise you to reconsider game reinstallation as the last resort.

By reinstalling the game, you’ll have the blank, vanilla iteration.

Later on, you can add mods of choice one by one but make sure to add only the ones that are up to date and supported by the last version of the game.

Here’s how to reinstall Sims 4 with the Origin client:

  1. Open the Origin client and select My Games.
  2. Right-click and select Uninstall.
  3. After the process is finished go to the location of installation and delete remaining folders.
  4. Use a 3rd-party tool to clean registry. We personally recommend IObit Uninstaller Pro
  5. Restart your PC.
  6. Start Origin again.
  7. Find Sims 4 and select Install.

That should be it. We certainly do hope that you were able to finally save your game after applying one of these solutions.

Furthermore, feel free to share your questions or suggestions, and tell us whether the solutions helped you or not. You can do so in the comments below.

FAQ: Read more about The Sims 4 saving

  • Does The Sims 4 save automatically?
The Sims 4 has an autosave function. It’s useful so that you can recover progress if the game were to crash, or you miss saving before exiting. If you have a save error, check this useful guide to fix it.
  • Does repairing Sims 4 Delete saves?
No, it only affects the install files for the actual game. It doesn’t make any changes to save game files. If you can’t see the saved files maybe it’s a problem where Sims 4 doesn’t save.
  • What is a save file Sims 4?
If you wonder where are your save files, they’re usually stored in Documents/Electronic Arts/The Sims 4/Saves. Also, Mods/CC are located in the Sims 4/Mods directory, and Sims, Lots, and Rooms you’ve created are stored in the Tray folder.

Editor’s Note: This post was originally published in January 2018 and has been since revamped and updated in April 2020 for freshness, accuracy, and comprehensiveness.

Editor's Note: This article was originally published in January 2018 and was revamped and updated in September 2020 for freshness, accuracy, and comprehensiveness.