Windows 10: How to fix unarc.dll error

Last update: 04/10/2024
Author Javier Chirinos

6 Quick Fixes to Fix unarc.dll

Unarc.dll, one of the DLL files of Windows (Dynamic Link Library), is required for certain programs to work. An error message » Unarc.dll not found »Or» unarc.dll does not exist If the unarc file is corrupted or missing, you may see “or something similar.” Although the exact error message may be different, all errors will refer to unarc files.

Users have reported that the unarc.dll error message appears when they try to run or install games on Windows 10. The error message causes games to fail to install or run when it occurs. Some games require a unarc file, such as Counter-Strike (and Civilization 5 PlayerUnknowns Battlegrounds) and Far Cry 4

How to fix unarc.dll error in Windows 10

Possible solutions for unarc.dll errors

1. Run a system file scan

System File Checker can fix many DLL errors. It can also repair corrupted system DLL files, such as unarc.dll. Here's how to run an SFC scan on Windows 10.

  • Use the Cortana button Search by typing here Use the taskbar to enter cacmd and the search box to search for it.

  • Click on the icon of the Symbol of the system and choose the option As administrator .


2. Check the registration

An unarc file error can be caused by invalid registry entries. The unarc.dll error can be fixed by some registry cleaners. Millions of people use CCleaner to scan and fix their registry. This registry cleaner can repair unarc.dll errors.

  • You can add the free version of CCleaner for Windows 10 by clicking the button Get a free copy Just press the button The software website . Next, open the CCleaner installation wizard to install the utility.

  • Click on CCleaner to start it Sign in .

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  • Please note that the CCleaner registry cleaner also includes a checkbox No shared DLL available . Please select A shared DLL is not available All other boxes are required for a complete analysis.

  • Just press the button Find the root cause .

  • Then click the button Choose the right problem to solve You can open a dialog box.

  • The user can choose between Yes If you want, you can make a backup of your registry before you begin.

  • Then click the button All problems must be solved They are shown directly below.

3. Reinstall the software

If the unarc.dll error occurs in an installed program, it is worth reinstalling that game to fix the problem. The destination folder will be updated if the DLL file is missing when you reinstall the program.

You can remove games or other Windows programs by pressing the Windows + R shortcut key and entering appwiz.cpl in Run. Then, select the desired software in the Programs and Features window, and click uninstall . Reinstall the game by inserting its disc into a drive or opening the installer in a folder.

4. Restore Windows 10 system

System Restore is an option for unlabeled file errors caused by recent system changes. System Restore is likely to resolve an unlabeled file error if the user chooses a restore date that resets Windows to a time when the software can run. You can restore Windows 10 from an earlier date by following the instructions below.


  • Next, choose a restore option that will resolve the unarc.dll problem.

  • Please note that programs will not be removed if they are installed after a certain restore point. Use the “Remove” button Find the affected programs Check what software has been removed to restore the original point.

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5. DLL Software Fixer Available

Many dynamic link library fixer programs for Windows 10 are specifically designed to fix missing DLL errors. This utility scans for missing or corrupted DLLs and allows users to access the DLL files. These utilities allow users to download DLL files and check if they are corrupted or missing. DLL Attention Two of the most popular utilities for fixing dynamic link libraries are available for $24,99 (or $9,99). However, you can also download unregistered versions.

6. Restart Windows 10

As a last resort, users can reset Windows 10. You can reset Windows 10 to reinstall your platform. This will most likely return the unarc file to its original state. Users will then need to install any third-party applications that were installed since Windows 10 was reset. Windows 10 can be reset as follows.

  • In the Cortana search field, enter reset this computer.

  • Please select Restart your pc To open the window below, click here


These fixes will most likely fix unarc.dll issues so you can install or run the required software. Other files may be referenced by similar DLL errors.