What is Windows Error Code Unarc.Dll Returned, Cause of Windows Error Code Unarc.Dll Returned, How To Fix Windows Error Code Unarc.Dll Returned
by Subhashree M
Updated Mar 04, 2023
What is Unarc.Dll?
Unarc.dll is a dynamic link library file that is used by various applications to decompress files that have been compressed using certain algorithms. It is commonly encountered when installing software or extracting files from a compressed archive. If the unarc.dll file is missing or corrupted, users may encounter errors like "Unarc.dll returned an error code" or similar messages.
The smooth functioning of the Windows operating system relies on thousands of files, services, processes, drivers, registries, and other vital components. However, sometimes these items may malfunction, resulting in errors that users may encounter.Windows commonly uses DLL files, which are shared library files loaded only when needed by various apps. When you browse the Windows or any other installed apps directory, you will likely see dozens or hundreds of files using the DLL extension.Unarc.dll is a dynamic link library file that several applications use to decompress files that are compressed using certain algorithms. If this file is missing or corrupted, users may encounter errors like "Unarc.dll returned an error code" when trying to install a new program, update an existing program, or extract files from a compressed archive.There are several potential causes for this error, including issues with Microsoft Visual C++ Redistributable Package, the presence of malware on the system, an incomplete or corrupted download, or a problem with the unarc.dll file itself. To fix the error, users need to diagnose and address the underlying cause.
What is Windows Error Code Unarc.Dll Returned?
When attempting to install a software or game on a Windows system, a frequently encountered error message is "Unarc.dll returned an error code." This message is an indication that the installation process cannot be completed due to the absence or damage of the Unarc.dll file.
Cause of Windows Error Code Unarc.Dll Returned
When encountering unarc.dll errors while running or installing computer games, it is often due to outdated graphics drivers. To fix the error, users can update their graphics drivers, which should be a straightforward process. This simple solution can often resolve the issue and allow users to run or install the game without any further problems related to unarc.dll errors.There are various reasons why errors related to unarc.dll may occur. These include a faulty application, the file being deleted or moved, corruption caused by malware present on the computer, or damage to the Windows registry.The DLL error known as Unarc usually arises when a software attempts to load an unsigned DLL. This situation can occur when the software tries to use a DLL that was not compiled using the same version of Microsoft Visual C++ as the software itself.
How to Fix Windows Error Code Unarc.Dll Returned?
To resolve the error message "Unarc.dll returned an error code," there are multiple potential reasons to consider, such as problems with Microsoft Visual C++ Redistributable Package, malware infection, an incomplete or damaged download, or issues with the unarc.dll file itself. To address the root cause of the error, you will need to perform diagnostic measures. It is important to note that DLL errors are not uncommon on Windows, with examples including "ntdll.dll error," "dxgi.dll was not found or missing," and "Cdp.dll error." An automatic PC repair tool, such as Reimage, can help locate and replace missing or corrupted DLL files that originate from the Windows OS. Alternatively, you can attempt to resolve the issue manually by utilizing the following methods.
Scan with anti-malware
If you are experiencing DLL errors, it's possible that they could be caused by a malware infection. Therefore, we suggest checking for any infections before attempting to fix the DLL errors. There are a variety of third-party security software options available, or alternatively, you could use Microsoft Defender by following these steps:
Run SFC and DISM
If you are encountering the error message "Unarc.dll returned an error code," it's possible that system file corruption is to blame. To resolve this issue, you can run certain commands using an elevated Command Prompt.
sfc /scannow
dism /online /cleanup-image /scanhealth
dism /online /cleanup-image /checkhealth
dism /online /cleanup-image /restorehealth
Increase virtual memory size
Check your disk space
Frequently, the error message "Unarc.dll returned an error code" may appear alongside the Isdone.dll error. If this occurs, you can attempt to resolve the issue by freeing up space on your drive. These errors often arise when trying to extract large packages of data associated with games or other programs.
Reinstall Microsoft Visual C ++ Redistributable package
Fixing “Unarc.dll returned an error code” when installing games
If you are having trouble with an older game, you should try running the installer via the compatibility mode:
If you haven't already done so, you can try running the EXE file as an administrator in order to resolve any issues. To do this, simply right-click on the file and select "Run as administrator."
What is Windows Error Code Unarc.Dll Returned? - FAQs
The unarc.dll file is responsible for extracting or decompressing compressed archives, and is often referred to as the "un-arc" file. Some other common error messages associated with unarc.dll include "unarc.dll error" and "an error occurred while unpacking: archive corrupted/unable to read data (decompression fails)."
Modifying a file's contents manually can potentially cause corruption, which may result in a DLL error message. Additionally, a DLL file may become corrupt if an installation or execution of the file is interrupted.
Another potential solution for unarc.dll errors is to move the DLL file to the directory of the system. For 32-bit systems, this directory is typically located at C:\Windows\System32, while for 64-bit systems, the directory is typically located at C:\Windows\SysWOW64.