How to Fix SimAuth.dll Missing Error – Step by Step

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How to Fix SimAuth.dll Missing Error (Solved)

How to Fix SimAuth.dll Missing Error (Solved)

What is SimAuth.dll?

SimAuth.dll is a Dynamic Link Library file which is a type of executable file in Microsoft Windows that contains one or more functions that can be called by other programs. It is often associated with the SimCity series of games developed by Maxis and later Electronic Arts.

Why is SimAuth.dll missing?

The SimAuth.dll file may go missing due to several reasons such as accidentally deleting the file encountering malware that corrupts or removes it or updating/installing new software that requires a different version of this DLL file.

Step-by-Step Fixes:

Method 1: Reinstall Visual C++ Redistributable

  1. Go to the official Microsoft Download Center at https://www.microsoft.com/en-us/download/details.aspx?id=40784.
  2. Download the Visual C++ Redistributable package for your system’s architecture (x64 or x86) and version (32-bit or 64-bit).
  3. Run the downloaded installer and follow the on-screen instructions to complete the installation.

Method 2: Run SFC /scannow command

This method scans your system for missing or corrupted files and attempts to fix them:

  1. Press Windows key + X and select Command Prompt (Admin) or PowerShell (Admin).
  2. In the command prompt type `sfc /scannow` and press Enter.
  3. Wait for the scan to complete. Restart your computer if prompted.

Method 3: Update System Drivers

Updating your system drivers may resolve any compatibility issues that might be causing the SimAuth.dll error:

  1. Press Windows key + X and select Device Manager.
  2. Expand the category for the device type you suspect is causing the issue (e.g. Display adapters Network adapters).
  3. Right-click on the corresponding device driver and select Update Driver.
  4. Choose Search automatically for updated driver software and follow any additional prompts to complete the update process.

Conclusion:

By following these methods you should be able to resolve the SimAuth.dll missing error in Windows. If the issue persists consider reinstalling or repairing the affected software or seeking assistance from professional technical support.

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