Failed to load OnlineFix64.dll from the list. Error code: 126

Published by Nyau Wai Hoe - Updated on

If you’re launching a newly installed game or software and are met with an error that says “Failed to Load OnlineFix64.dll from the List Error Code 126“, or if your antivirus program has flagged the OnlineFix64.dll file as potential malware, you’re not alone. This error has been a topic of discussion and confusion in various online forums and communities. While some users claim the file is essential for certain games to run (particularly those with multiplayer features), others believe it might be a false positive. Yet, some remain cautious due to security warnings. This article aims to shed light on this specific DLL error, providing insights and potential fixes while addressing concerns about the file’s safety.

Also see: How to Scan an .exe File for Viruses to Check If It’s Safe

Failed to Load OnlineFix64.dll from the List Error Code 126

What does the OnlineFix64.dll error mean?

When users encounter the “failed to load OnlineFix64.dll from the list error code 126,” they’re essentially being alerted that a specific application or game is unable to load the OnlineFix64.dll file. In some cases, users might also come across a similar but slightly different error message stating, “The code execution cannot proceed because OnlineFix64.DLL was not found. Reinstalling the program may fix this problem.” Both these error messages point towards the same underlying issue: the game or software’s inability to locate or access the required DLL file.

OnlineFix64.dll was not found

The error code 126 in Windows typically points to a missing or corrupted Dynamic Link Library (DLL) file. DLL files are essential components that applications use to function properly, providing reusable routines or functions.

But why is this particular DLL – OnlineFix64.dll – causing such a stir? It’s been noted that this file is commonly associated with games downloaded from certain websites. For many, the presence of this file doesn’t pose any issues. However, the controversy arises from the fact that a handful of antivirus programs have flagged this DLL as potential malware.

OnlineFix64.dll Virus or Malware

Here are the potential reasons for this error:

  1. Missing or misplaced DLL: The application or game expects the OnlineFix64.dll file in a specific location. If it’s not found, the error is triggered. Users should ensure the file exists where it’s expected to. Instructions to check might involve navigating through file directories or checking game folders. For example: Click on “File Explorer”, then navigate to the game’s installation folder to locate the file.OnlineFix64.dll Download
  2. Corrupted DLL file: Over time, files can get corrupted due to various reasons – bad sectors on a hard drive, software conflicts, or even accidental modifications. If the DLL is present but not in its original state, this could be the root of the error.
  3. Antivirus intervention: Sometimes, your antivirus program might have quarantined or removed the OnlineFix64.dll file, suspecting it to be malicious. This action, whether it’s a false positive or a genuine threat detection, will lead to the application or game not finding the required DLL, thus triggering the error.

Related resource: What is a DLL Injector and How Does It Work?

Potential solutions to the OnlineFix64.dll error

Before jumping to conclusions about the file’s nature, it’s crucial to address the error and determine if it’s merely a typical software hiccup or something more sinister. Here’s a step-by-step guide to resolving the error:

  1. Reinstallation:
    • If you suspect the DLL is missing or corrupted, the most straightforward solution is to reinstall the game or software. By doing this, the original files, including the OnlineFix64.dll, are restored.
    • Navigate to the “Control Panel”, click on “Programs and Features”, locate the game or software, right-click and choose “Uninstall”. After successful uninstallation, download and install the game or software again from the trusted source.Uninstall game Windows 11
  2. Manual file replacement:
    • If you’ve identified that the DLL is missing, but the rest of the game/software seems fine, consider sourcing the OnlineFix64.dll from a trusted source and placing it in the required directory.
    • Caution: Always ensure you’re obtaining DLL files from trusted sources to avoid introducing malware.How to fix missing OnlineFix64.dll in Windows 11 10
  3. System file checker:
    • Windows has a built-in tool, System File Checker (SFC), which can scan and repair missing or corrupted system files, including some DLLs.
    • Instruction: Open the “Command Prompt” as an administrator. Type sfc /scannow and press Enter. Allow the process to complete and follow any on-screen instructions.SFC scannow successful repair Windows 11

Linked issue: Failed to start Denuvo driver. Error code: 2148204812

Is OnlineFix64.dll a virus?

Given the mixed reactions online, especially on platforms like Reddit, this is perhaps the most pressing question for many users. The division arises from the contrasting experiences of users – some have been using games with this DLL without issues and defend its legitimacy on forums, while others report antivirus software red-flagging it.

  1. Reddit and community feedback:
    • Platforms like Reddit are a treasure trove of user experiences and insights. Numerous threads and posts discuss the nature of OnlineFix64.dll, with users sharing their personal experiences and findings. While community feedback is invaluable, it’s crucial to note that individual experiences may vary. Always cross-reference with multiple sources to get a well-rounded perspective.OnlineFix64.dll virus Reddit
  2. False positives:
    • It’s not uncommon for antivirus software to produce “false positives,” wherein legitimate files are mistakenly identified as malicious. If a large majority of users, including many on Reddit, and several antivirus programs deem the file safe, it might be a false alarm.
  3. Source matters:
    • If you downloaded your game or software from a reputable source or official store, the chances of the DLL being malicious are reduced. However, pirated games or those from dubious sources increase the risk.
  4. Scan with multiple tools:
    • To be on the safe side, users can scan the file with multiple antivirus and anti-malware tools. Online platforms like VirusTotal allow users to upload files for a thorough scan using multiple antivirus engines.VirusTotal Scan files for viruses
  5. Stay updated:
    • Ensure your antivirus definitions and software updates are current. Updated antivirus programs have a reduced likelihood of producing false positives and are better equipped to detect newer threats.Update avp.exe Kaspersky Antivirus
  6. When in doubt, seek expert help:
    • If you’re still uncertain about the file’s legitimacy, it might be worth consulting with IT professionals, seeking insights on Reddit gaming communities, or joining discussions in other online forums. Sharing experiences and insights can offer clarity.

Pro tip: How to Know Which App or Process is Using The Internet in Windows 11

Safe practices for downloading games and software

To sidestep issues like these in the future, it’s essential to embrace some safe downloading practices. Here are some suggestions to ensure you keep your computer free from potential threats while enjoying your favorite games and applications:

  1. Official stores & platforms:
    • Always prefer official platforms and stores like Steam, Epic Games Store, Microsoft Store, etc., when downloading games. These platforms have strict security protocols and are less likely to host malicious files.
  2. Beware of piracy:
    • Pirated games not only have legal repercussions but also come packed with risks. They often contain modified files, and OnlineFix64.dll is one such alteration in some games. Stay clear of torrent sites or unfamiliar websites offering “free” premium games.
  3. Regular backups:
    • Regularly backing up your data ensures that, in the event of a malware infection or any system instability, you have a fallback point. Tools like Windows’ built-in “Backup and Restore” can be instrumental.
  4. Firewall and antivirus:
    • Always keep your firewall enabled and use a reputable antivirus program. They are your first line of defense against potential threats.

Read next: GPU 100% Usage When Idle or Gaming (Good or Bad)


The “failed to load OnlineFix64.dll from the list error code 126” error is primarily a technical hiccup indicating a missing or corrupted DLL file. In many situations, a simple reinstallation of the affected game can address and rectify the problem. Complicating the matter, antivirus programs occasionally quarantine or delete the OnlineFix64.dll file, either due to genuine concerns or false positives. This file has sparked debate among users; while some believe it’s malware, others argue it’s a benign file mistakenly flagged. To steer clear of such dilemmas, always prioritize downloading games and software from trustworthy sources and remain vigilant against dubious or malicious websites.

Nyau Wai Hoe
Nyau Wai Hoe is the Founder and Chief Editor of With a degree in software engineering and over 12 years of experience in the tech support industry, Nyau has established himself as an expert in the field, with a primary focus on the Microsoft Windows operating system. As a tech enthusiast, he loves exploring new technologies and leveraging them to solve real-life problems.

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