Unarc.dll Returned an Error Code 12: How to Fix Unarc.dll Returned an Error Code 12?
by Venkatesh P | Updated Aug 18, 2023
What is Unarc.Dll?
The Unarc.dll file is a type of dynamic link library used by various programs to unpack files that have been compressed using specific methods. Its purpose is to decompress archives that have been compressed (un-arc).
When this file is not present or becomes damaged, it can lead to errors being shown, such as the message "Unarc.dll returned an error code." Such errors might occur when trying to install a new application, update an existing one, or extract files from a compressed archive.
The occurrence of the error message "Unarc.dll returned an error code 12" can stem from several causes, which encompass an inadequate size of the paging file, corruption in system files, insufficient space on the disk, problems related to Microsoft Visual C++ Redistributable Package, or the presence of malicious software.
To rectify this error, a thorough examination of the underlying issue is necessary. Potential solutions encompass initiating scans for malware, running tools like the System File Checker (SFC) and Deployment Image Servicing and Management (DISM), augmenting the size of virtual memory, verifying available disk space, and reinstalling the Microsoft Visual C++ Redistributable Package.
Unarc.Dll Returned An Error Code 12
Primary Triggers for the "Unarc.dll Returned an Error Code 12" Issue
The origins of the notable "Unarc.dll returned an error code 12" predicament can be traced to several critical factors:
Inadequate Paging File Size:
A deficiently sized paging file can precipitate the emergence of error code 12. Addressing this situation necessitates an augmentation in the paging file's dimensions1.
System File Deterioration:
The presence of corruption within system files can give rise to error code 12. This concern can be ameliorated by executing both the System File Checker (SFC) and Deployment Image Servicing and Management (DISM) procedures2.
Insufficient Disk Space:
Insufficiency in available disk space has the potential to trigger error code 12. Remedy for this scenario involves evaluating and potentially liberating additional disk space2.
Challenges with Microsoft Visual C++ Redistributable Package:
Irregularities tied to the Microsoft Visual C++ Redistributable Package can similarly contribute to error code 12. Addressing this requires a reinstallation of the package2.
Intrusion of Malicious Software:
The presence of malware within your system can disrupt installation processes and result in error code 12. A thorough scan using anti-malware software serves to identify and eliminate such threats2.
It remains essential to underscore that when utilizing a third-party anti-virus, temporarily deactivating it during program installations or the unpacking of archived materials might also contribute to resolving the error2.
Kindly bear in mind that the mentioned causes and solutions represent a general overview of error code 12 circumstances. The specific causal factors can indeed diverge contingent upon individual situations.
Increasing the paging file size is a potential solution.
Utilizing System File Checker (SFC), Deployment Image Servicing and Management (DISM), and anti-malware scans are viable solutions.
How to Fix Unarc.Dll Returned An Error Code 12?
In the process of installing a new software, updating an existing application, or extracting files from a compressed archive, you might come across an error message indicating "Unarc.dll returned an error code 12."
This error can arise from a variety of factors, which encompass issues related to the Microsoft Visual C++ Redistributable Package, the presence of malicious software on your system, an incomplete or corrupted download, or complications involving the unarc.dll file itself. Presented below are potential remedies to rectify this error:
Anti-Malware Scan:
Conducting a scan using anti-malware software can help identify and eliminate any malicious software on your system that might be contributing to the error.
SFC and DISM Execution:
Executing the System File Checker (SFC) and Deployment Image Servicing and Management (DISM) tools can assist in addressing any corrupted system files that could be giving rise to the error.
Virtual Memory Expansion:
Expanding the size of your virtual memory can be instrumental in resolving the error if your system is grappling with insufficient virtual memory.
Disk Space Examination:
Carefully assessing your disk space and potentially freeing up room can contribute to rectifying the error, especially if your system's disk space is inadequate.
Reinstallation of Microsoft Visual C++ Redistributable Package: Should the issue stem from the Microsoft Visual C++ Redistributable Package, reinstalling it can provide a solution to the error.
What Programs Use Unarc.Dll?
Unarc.dll stands as a dynamic link library file that holds significance within the Windows operating system. Its primary role involves the decompression of files that have undergone compression using distinct algorithms. Operating as an integral system file, Unarc.dll finds its utility across a multitude of applications integrated into the Windows OS framework.
Several scenarios illustrate the utilisation of Unarc.dll:
Installation Programs:
Numerous installation programs rely on Unarc.dll to unpackage files from compressed archives during the installation procedure. This encompasses a range of software, gaming installations, and diverse applications necessitating the extraction of files.
File Compression Tools:
Select file compression tools, like WinRAR or 7-Zip, harness the capabilities of Unarc.dll to uncompress files from compacted archives.
Game Installations:
Particularly prevalent within game installations, Unarc.dll plays a key role, especially for games distributed in compressed formats. It facilitates the extraction of game-related files from compressed archives and directs them to their designated directories.
Software Updates:
During the updating process of specific software applications, Unarc.dll can be instrumental in the extraction and replacement of files with their updated counterparts.
It is imperative to acknowledge that Unarc.dll constitutes a vital system component, warranting careful consideration. Removal or deletion of Unarc.dll should only be contemplated when it leads to operational disruptions or garners suspicion from third-party security software. Interfering with Unarc.dll can potentially trigger errors and jeopardize the stability of both the applications affected and the overarching operating system.
What is the difference between a quick scan and a full scan for malware on Windows?
It is essential to recognize that the role of Unarc.dll may diverge based on the distinct software or application in use.
Windows Security:
Windows Security is an inherent security tool that can be employed to conduct malware scans on your Windows PC. To initiate a quick scan, navigate to "Windows Security," proceed to "Virus & threat protection," and click on the "Quick scan" option. For a more comprehensive examination, select the "Scan options" button and opt for the "Full scan" choice.
Microsoft Safety Scanner:
The Microsoft Safety Scanner offers a free scanning utility meticulously crafted to identify and eliminate malware from Windows-based computers. Obtain the tool, execute a scan, and address modifications triggered by identified threats.
Third-party Anti-malware Software:
An array of third-party anti-malware software solutions is accessible, each capable of aiding in malware detection on your Windows PC. Noteworthy choices encompass Malwarebytes, Norton, and McAfee.
To conduct a virus scan utilizing Windows Security, adhere to these guidelines:
Upon completion of the scan, you will receive notifications regarding any identified threats. Subsequent action can then be taken to eliminate these threats.
Bear in mind that regularly conducting malware scans on your Windows PC is imperative to ensure ongoing protection against potential security risks.
Unarc.Dll Returned An Error Code 12 - FAQs
Unarc.dll is a library file that decompresses compressed files in various applications.
Error code 12 can result from small paging file, corrupted system files, low disk space, issues with Microsoft Visual C++ package, or malware.
Solutions include anti-malware scans, SFC and DISM tools, expanding virtual memory, checking disk space, and reinstalling Microsoft Visual C++.
Unarc.dll is used by installation programs, file compression tools, game installations, and software updates in Windows OS.
Quick scan checks essential areas, while full scan examines the entire system for malware; use Windows Security or third-party tools.