Comprehensive Guide: How to Fix "unarc.dll returned an error code 14"
The error "Unarc.dll returned an error code: 14" (often displayed as "error code: -14") is a very common and frustrating problem. It typically appears when you’re in the middle of installing a repacked PC game, a large software suite, or any application that uses a heavily compressed installer. The installation abruptly stops, often leaving you staring at a dialog box with the "ISDone.dll" header, and your game remains uninstalled.
This is another highly effective fix, especially for systems with 8GB or 16GB of RAM.
If the creator provided an MD5 check-file (frequently included with repacks), run the .bat file inside the folder before installing to guarantee every archive bin file is completely intact. 2. Disable Real-Time Antivirus Protection how to fix unarc.dll returned an error code 14
Now, let’s fix it.
The downloaded file itself may be missing data or contain errors.
Open > Performance Settings > Advanced tab. Under Virtual memory , click Change . Uncheck "Automatically manage paging file size." Comprehensive Guide: How to Fix "unarc
: Security software may block the decompression process as a false positive. Step-by-Step Fixes 1. Verify Archive Integrity
The System File Checker (SFC) is a built-in Windows utility that scans and repairs corrupted system files. To run the SFC:
user wants a long article on fixing "unarc.dll returned an error code 14". This error is common during game installations or when unpacking archives. The article needs to be comprehensive. I'll search for information on this error. search results show several potential sources. I'll open some of them to gather detailed information.'ll continue to gather more detailed information from the search results. search results provide extensive information on unarc.dll error code 14. I will structure a comprehensive article covering what the error is, why it happens, and step-by-step solutions. The article will be long and detailed, including troubleshooting steps and advanced solutions. I'll cite sources throughout. is a long article that thoroughly addresses the "unarc.dll returned an error code 14" error. This is another highly effective fix, especially for
Corrupted registry entries can cause the unarc.dll error code 14. To clean your registry:
Go to > Settings > Advanced > Virtual Memory > Change . Uncheck "Automatically manage paging file size."
Modern high-core processors can overheat or cycle-mismatch when executing prolonged, intense decompression tasks, causing Windows to force a data fault.
What are your (how much RAM and what CPU model do you have)?
Temporarily disable real-time protection in Windows Security. Disable third-party antivirus (Avast, AVG, McAfee). Attempt the installation again. 3. Run the Installer in Compatibility Mode Right-click the setup.exe file. Select > Compatibility .