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Unarc.dll Returned An Error Code: -14

How to Fix Unarc.dll Returned an Error Code: -14

If you are trying to install a game on your Windows 10/11 computer and you encounter the error message "Unarc.dll returned an error code: -14", you are not alone. Many users have reported this issue when installing games from FitGirl, CODEX, or other repacks. This error means that the unarc.dll file, which is a dynamic link library for decompressing game files, is either missing, corrupted, or incompatible with your system. In this article, we will show you some possible solutions to fix this error and enjoy your game without any hassle.

Solution 1: Reinstall the Game

The first and simplest solution is to reinstall the game that caused the error. Sometimes, the game files may be damaged or incomplete during the installation process, which can lead to the unarc.dll error. To reinstall the game, follow these steps:

Unarc.dll returned an error code: -14

  • Uninstall the game from your computer. You can do this by going to Control Panel > Programs and Features, or by using a third-party uninstaller tool.

  • Delete any leftover files and folders of the game from your hard drive. You can use a file explorer or a disk cleaner tool to do this.

  • Download the game again from a trusted source. Make sure you have enough disk space and a stable internet connection.

  • Run the game installer as administrator. You can do this by right-clicking on the installer file and choosing Run as administrator.

  • Follow the on-screen instructions to complete the installation.

  • Launch the game and check if the error is resolved.

Solution 2: Reregister the Unarc.dll File

If reinstalling the game does not work, you can try to reregister the unarc.dll file in your system. This means that you will replace the existing unarc.dll file with a new one and register it with Windows. To do this, follow these steps:

  • Locate the current unarc.dll file on your computer and rename it as unarc.bak.dll. You can find it in one of these folders:

  • C:\\Windows\\System32 (for 32-bit operating systems)

  • C:\\Windows\\SysWOW64 (for 64-bit operating systems)

  • Copy the unarc.dll file from another normal computer and save it to your desktop. You can also download it from a reliable website such as [].

  • Move the new unarc.dll file to the same folder where you renamed the old one.

  • Open PowerShell as administrator. You can do this by pressing Windows key + X and choosing Windows PowerShell (Admin).

  • Type the following command and press Enter:

  • regsvr32 %systemroot%\\System32\\unarc.dll (for 32-bit operating systems)

  • regsvr32 %systemroot%\\SysWOW64\\unarc.dll (for 64-bit operating systems)

  • You should see a message saying that the registration was successful.

  • Restart your computer and run the game again to check if the error is fixed.

Solution 3: Update Your Graphics Drivers

Another possible cause of the unarc.dll error is outdated or incompatible graphics drivers. Graphics drivers are essential for running games and other graphics-intensive applications on your computer. If they are not up to date or compatible with your system, they may cause various errors and performance issues. To update your graphics drivers, follow these steps:

  • Press Windows key + R to open Run dialog.

  • Type devmgmt.msc and click OK to open Device Manager.

  • Expand Display adapters and right-click on your graphics card.

  • Select Update driver from the context menu.

  • Choose Search automatically for updated driver software and wait for Windows to find and install the latest driver for your device.

  • If Windows does not find any updates, you can visit the manufacturer's website of your graphics card and download the latest driver manually. Make sure you choose the correct driver for your system and follow the installation instructions.

  • Restart your computer and run the game again to check if the error is gone.

Solution 4: Perform a Clean Boot

The last solution we recommend is to perform a clean boot on your computer. A clean boot means that you will start your computer with only the essential services and programs, which can help you identify and eliminate any software conflicts that may cause the unarc.dll error. To perform a clean boot, follow these steps:

  • Press Windows key + R to open Run dialog.

  • Type msconfig and click OK to open System Configuration.

  • Go to the Services tab and check the box next to Hide all Microsoft services.

  • Click Disable all to disable all the non-Microsoft services.

  • Go to the Startup tab and click Open Task Manager.

  • Disable all the startup programs by right-clicking on them and choosing Disable.

  • Close Task Manager and System Configuration.

  • Restart your computer and run the game again to check if the error is resolved.

  • If the error is gone, you can enable the services and programs one by one until you find the culprit. Then, you can uninstall or update the problematic software.

Final Words

In this article, we have shown you four solutions to fix the unarc.dll returned an error code: -14 issue on your Windows 10/11 computer. We hope that one of these solutions worked for you and you can enjoy your game without any trouble. If you have any questions or suggestions, feel free to leave a comment below.


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