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Unarc.dll Returned An Error Code -14 Blackbox

How to Fix unarc.dll Error Code -14 Blackbox

If you are trying to install a game from a blackbox repack and encounter the error message "unarc.dll returned an error code -14", you are not alone. Many users have reported this issue and are looking for solutions. In this article, we will explain what causes this error and how to fix it.

What is unarc.dll and why does it cause errors?

Unarc.dll is a dynamic link library file that is used by some programs to decompress and extract files from archives. It is especially common in game installation packages that use compression techniques to reduce the file size. However, sometimes unarc.dll can malfunction or get corrupted, leading to errors during the installation process.

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There are several possible reasons why unarc.dll can cause errors, such as:

  • The unarc.dll file is missing, damaged, or incompatible with your system.

  • The game installation package is corrupted or incomplete.

  • Your system does not have enough disk space or memory to run the installation.

  • Your antivirus or firewall software is blocking or interfering with the installation.

  • Your system has registry errors or other issues that affect the performance of unarc.dll.

How to fix unarc.dll error code -14 blackbox?

To fix unarc.dll error code -14 blackbox, you need to identify the root cause of the problem and apply the appropriate solution. Here are some possible solutions that you can try:

  • Reinstall the game. Sometimes, the simplest solution is to uninstall the game and reinstall it from a fresh download. This can ensure that the game files are not corrupted or missing, and that unarc.dll is working properly. Make sure to download the game from a reliable source and follow the installation instructions carefully.

Reregister the unarc.dll file. If the unarc.dll file is present on your system but not registered correctly, you can try to reregister it using the command prompt. To do this, follow these steps:

  • Locate the current unarc.dll file on your computer and rename it as unarc.bak.dll.

  • Copy the unarc.dll file from another normal computer and save it to your desktop.

Move the file to the following folders according to your system type:

  • System32 folder on 32-bit operating systems

  • SysWOW64 folder on 64-bit systems

Open the command prompt as administrator and type the following command:

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

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

  • Restart your computer and try to install the game again.

Update your graphics drivers. Sometimes, outdated or incompatible graphics drivers can cause unarc.dll errors during game installation. To update your graphics drivers, you can use the device manager or a third-party software. To use the device manager, follow these steps:

  • Press Windows key and R key together to open Run dialog. Then type devmgmt.msc in the box and click OK.

  • In the device manager window, select your graphics card driver and choose Update driver from the context menu.

  • Then choose Search automatically for updated driver software and follow the wizard.

  • Restart your computer and try to install the game again.

Perform a clean boot. A clean boot can help you troubleshoot whether any third-party software or service is causing unarc.dll errors. To perform a clean boot, follow these steps:

  • Press Windows key and R key together to open Run dialog. Then type msconfig in the box and click OK.

  • In the system configuration window, go to the Services tab and check the box for Hide all Microsoft services. Then click Disable all.

  • Go to the Startup tab and click Open Task Manager. Then disable all the startup items.

  • Close the task manager and click OK in the system configuration window.

  • Restart your computer and try to install the game again.

Final Words

Unarc.dll error code -14 blackbox can be a frustrating issue that prevents you from installing your favorite games. However, with the solutions above, you can hopefully fix this error and enjoy your gaming experience. If none of the solutions work for you, you can also contact the game developer or the blackbox repack team for further assistance.


  • [4 Solutions to Fix the Unarc.dll Returned an Error Code]

  • [How To Fix Unarc.dll Error While Installing Games - New Method]

  • [Unarc.dll returned an error code: -14]


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