Recently an Error with the message “There was an error during startup, please see the log for more information” was seen by users while starting the game with the launcher. In this article, we will discuss the causes of the error and solve it step by step.

What Causes The Sims 3 “Error During Startup” Error?

There isn’t one specific cause to this error as it can be due to a number of reasons depending upon the situation. Some possible reasons could be: Now that you have a basic understanding of the problem, we will move towards the solutions.

Solution 1: Delete Cache Files

The Sims 3 Cache files are temporarily stored to load the game faster. If the files are corrupted, they could be causing issues with the game. In order to make sure the files are not causing the issue we will have to delete them. Since they are automatically regenerated, we don’t need to worry about any permanent damage to the game.

Solution 2: Reinstalling your Game.

Sometimes if you remove a portion of your game it might leave some residue in the Registry which in turn might cause conflicts and prevent from starting the game. In order to resolve this issue, we will first manually uninstall our game and then reinstall it.

Solution 3: Giving Administrative Privileges

The Sims 3 needs Administrative Privileges in order to function correctly because the standard account permissions are not sufficient for certain components of the game to work correctly. For this reason, we will provide the game with Administrative Privileges

Solution 4: Removing Custom Content

Sometimes the custom Mods and content cause an issue with the game. To fix this issue, we will remove all of the custom content and make Sims 3 return back to default settings. NOTE: Make sure to temporarily Copy and Paste all the custom content in another folder to store it in case the issue was not with the custom content.

Solution 5: Renaming User Files

It is also possible that something in your User files or saves is causing a conflict which in turn is preventing the game from starting up. To solve this issue we will be renaming some files

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