Sims 4 is one of the famous names of the gaming world. This social simulation game was developed for platforms like Windows, OS X, PS 4 and Xbox One. It’s a sequel of Sims 3. Though the game is quite interesting and engaging but the players of this game have reported so many errors while launching the game.

As per the sources different users have registered different error codes in different situations. So considering those complaints we are here with this blog where we will try our best to cover all the frequently related queries on Reddit and other forums. So without any further delay let’s get started with the discussion.

About Sims 4 unable to start initialization error at startup

Well the above mention error is quite common and users face this error while launching the game. And if we talk about the factors that are responsible for prompting the error on the user’s screen then it includes corrupted game cache, mods, other recently installed conflicting programs, bugs in the game itself and outdated OS or game.

You may also read: How to fix Sims 4 failed to load error code 140, 111, 122, 135 [Solved]

How to fix Sims 4 unable to start initialization error at startup

Method 1: Uninstall recently installed Programs

You are likely to face the above mention error if any of your installed programs is conflicting with the game. It is quite possible that any of your recently installed programs is interrupting   while launching the game. So it’s to uninstall the programs/ apps you have recently installed. Once done then check if the issue resolved or not.

Method 2: Run the game in Compatibility Mode

In this method we suggest you to run the game in compatibility mode especially if you are playing the game on an old computer.

Here’ how:

Step 1: First of all right-click on Origin> Click on Properties

Step 2: Select the Compatibility tab> you will see an option called Run this program in compatibility mode for

Step 3: Now select Windows 7 from the list

Step 4: Run the Compatibility troubleshooter >finally launch the game again and see if the issue resolved or not.

Method 3: Turn Off Controlled Folder Access

We suggest you to disable the controller Folder Access feature if Windows Defender is your Antivirus. To proceed follow the below mention guidelines:

Step 1: Navigate to Start & type controlled folder access to access the feature directly> then slide the toggle to turn it off

If you don’t want to disable the feature then allow the Sims 4 through controlled folder access:

Step 1: Tap on Allow an app through controlled folder access

Step 2: Then click on Add an allowed app > open your Origin games\The sims 4\game\bin folder

Step 3: Also select TS4.exe (if your running 64 bit, select TS4_x64.exe) and open it >then Restart Origin and launch the game.

Method 4: Remove Mods ad delete cache content

Mods can be used to enhance the user’s experience but you should know that outdated mods can ruin your gaming experience. So it’s better to remove outdated mods. Outdated mods also lead to game crashing. In order to troubleshoot such issues, you need to remove all mods and custom content files. Move them all on a separate folder on your desktop. Once done then also delete your game’s cache. After deleting the game cache check if the issue resolved or not.

Method 5: End unnecessary programs running in the background

You are likely to face the above mention issue if you are running unwanted programs in the background. These programs consume too much CPU and GPU Power and create high usage of CPU and GPU.

So it’s better to close all the unnecessary applications running in the background especially if you are running the game on a low-specs machine background app can take up a large chunk of your computer’s processing power.

Method 6: Repair your game

If your game files have been corrupted due to any reason or you have accidentally deleted any of these files then you are likely to face the above mention error. So in such case you need to repair your game. To do so go to Origin and then navigate to your games library and right-click on Sims 4> then click on the Repair option available in the context menu that opened when you right-clicked the game.

Alternatively, you can also go for an automatic PC Repair Tool. This tool will not only repair your game files but will also immune your PC from other malfunctioning of Widows.

⇑Get PC Repair Tool from Here⇓

Method 7: Reinstall Origin

If none of the above mentioned manual methods works for you then we suggest you to uninstall and then reinstall the game. Once done then see if the issue if the issue resolved or not.

How to fix Sims 4 initialization error at startup 135dec40:90f690cf:00000075:495f32a0?

The above mention error has been reported by macOS users. They have claimed that they are not able to start the game. Well if you have also installed the recent new update for Sims 4 when you may face the above mention error while trying to launching the game. Talking about the reasons of the error then it’s a result of locale mismatching. This error simply indicates that the language of the installer and installation media does not match. In order to resolve this error follow the below mention guidelines.

Method 1: Temporary launching the game

After getting this error user are not able to launch the game so in this method we suggest you to temporarily launch the game.

Here’s how:

Step 1: Firstly open your Origin Client and go to my Library> the Sims >Extension Pack>Sims 4.

Step 2: Now click on the Play button (orange)

Method 2: Change Local Data

As we have earlier mention this error is a result of local mismatch. So you can change the local data by yourself to fix the issue. To proceed follow the blow mention guidelines:

Step 1: Open finder app and go to Library>Application Support> Origin>Installer data folder

Now here you will see a bunch of Plist files. These files contain locale data. Open these files in a text editor.

Caution: .pslist files are hidden by default, so make sure you have enabled [view hidden files/folders] option in finder settings.

Now you will see locale data inside <string>en_US</string> tags. You can put any language in which you want to play the game.

List of supported languages for The Sims 4:

English (US): “en_US”

German: “de_DE”

French (France): “fr_FR”

Russian: “ru_RU”

Polish: “pl_PL”

Swedish: “sv_SE”

Spanish (Spain): “es_ES”

Italian: “it_IT”

Dutch: “nl_NL”

Norwegian: “nb_NO”

Danish: “da_DK”

Finnish: “fi_FI”

Portuguese (Brazil): “pt_BR”

Czech: “cs_CZ”

Traditional Chinese: “zh_TW”

Simplified Chinese: “zh_CN”

Japanese: “ja_JP”

Korean: “ko_KR”

Caution: You need to make local changes in every file in order to make the game work. For eg, if there are 8 .pslist files then you need to change every <string>locale</string> code.

Once you are done with changing all the files, run your Origin Client and start the game normally.

Method 3: Repair The Sims 4 via Origin

In this method we suggest you to repair The Sims 4 via Origin and to do so follow the below mention guidelines:

Step 1: First of all launch your Origin Client and go to the Game Library> You will see your games here and then right-click on Sims 4 game cover art.

Step 2: Select Game Properties

After that go to the Advanced Launch Options tab & choose your preferred language.

Finally go back and choose the repair button and it will automatically fix any local mismatch issue.

Method 4: Reinstall the game via Origin client

If you are still struggling with the same then we suggest you to uninstall the game and the reinstall it. To proceed first of all uninstall Sims 4 using Origin Client>After that go to Origin preferences and set to your preferred language.

Caution: Currently The Sims 4 does not support French (Canada), Spanish (Mexico) and Thai. So do not select it here.

Once you have set up the language you need to restart origin client. Now install Sims 4 game with the same language you choose in step 2.

After the successful installation of the game, see if the issue resolved or not.

How to fix Sims 4 initialization error at startup 135dec40:69731fb6:00000068:00000000?

In order to resolve the above mention error you can simply follow the troubleshooting methods explained above to resolve Sims 4 unable to start initialization error at startup. This error gets prompted on the user’s screen wile launching the game. So use the methods explained the above mention section to get past the situation.

How to fix Sims 4 unable to start initialization error at startup 135dec40 Mac?

You can use the methods explained in How to fix Sims 4 initialization error at startup 135dec40:90f690cf:00000075:495f32a0 to get past this error.

That’s all about Sims 4 unable to start initialization error at startup, we have tried our best to provide all the possible methods to resolve the above mention error and the related errors. Thanks for Reading.