How to Fix Lua5.1.dll Error

What’s Lua5.1.dll?

Lua5.1.dll is a DLL file that is required for software Farcry 3 developed by UBI Soft Entertainment. If Lua5.1.dll file is missing, deleted or corrupted, you cannot use Farcry 3 and will receive Lua5.1.dll errors.

It’s likely that Lua5.1.dll error may indicate that the system registry may have some issues, that some computer malware may infect your DLL file, or even that your hardware devices may have failure. So, the error content may be different due to different causes of Lua5.1.dll error. The following are some most popular Lua5.1.dll error messages:

*Lua5.1.dll not found.
*Cannot find [path]\Lua5.1.dll.
*There is a problem starting [path]\Lua5.1.dll. The specified module could not be found.
*The program can’t start because Lua5.1.dll is missing from your computer. Try reinstalling the program to fix this problem.
*You may run into this Lua5.1.dll error when trying to run or close Farcry 3 or when the Windows system starts up or shuts down.

How to Fix Lua5.1.dll Error?

Warning: It’s a bad idea to download Lua5.1.dll from DLL download websites that are not approved officially. Downloading a copy of Lua5.1.dll file from those places is a huge risk to your computer security.

Step 1: Reinstall the software giving this Lua5.1.dll error.

If you receive this error when trying to use a software, such as Farcry 3, then the first thing you can do is to reinstall the software on your computer. To do it, you can perform the steps:

1.1 Open Programs and Features.


For Windows Vista and 7 users,

  • Click Start button, click Control Panel.
  • start-control-panel-windows7

  • Click Programs and Features.
  • programs-and-features

For Windows 8, 8.1 and 10 users, press Windows and X keys simultaneously and click Programs and Features when the menu pops up.

Win-X-Menu-Windows-8

1.2 Find the software that gives Lua5.1.dll error and then click Uninstall button.

1.3 Once the software is uninstalled successfully, restart your computer.

1.4 Install the software via the disc or the official website.

1.5 Run the software again to see if Lua5.1.dll error is fixed or not.

Step 2: Restore Lua5.1.dll file from Recycle Bin.

The possibility is that some program on your computer may delete this Lua5.1.dll file by mistake. As a result, it’s necessary for you to check the Recycle Bin to see if the file is there. If yes, then you can restore it from the Recycle Bin.

Step 3: Manually register Lua5.1.dll.

If the software that uses Lua5.1.dll was installed on your computer, the software would register all its files, including Lua5.1.dll, on your system. Due to some reason, your Lua5.1.dll now is not properly registered. Therefore, the Windows cannot find it. To register your Lua5.1.dll, you can follow the steps:

3.1 Open an elevated command prompt.

For Windows Vista and 7 users, type in cmd in the Search box and press Ctrl+Shift+Enter keys simultaneously to open it as the administrator.
open-cmd-win7

For Windows 8, 8.1 and 10 users, press Windows and X keys simultaneously and click Command Prompt (Admin) when the menu pops up.
Win-X-Menu-command-prompt-admin-win8

3.2 Click Yes when the UAC pops up.
UAC-win7

3.3 Input the command: regsvr32 Lua5.1.dll.
register-Adobelinguistic

3.4 Press Enter and this will register your Lua5.1.dll file.

Step 4: Remove computer malware hiding in your system.

It’s possible that some computer malware have infected your DLL files on your PC and then make them unable to be used by Farcry 3 or other software. Also, some computer malware even use similar names to mislead computer users, such as letter “O” and number “0”. They usually use such fake error warnings to scare victims into buying rogue products. If you have tried many solutions to fix your Lua5.1.dll problem with no luck, then you’d better scan your computer for computer malware that your antivirus software does not detect. You can use this recommended malware detect tool to free scan your system.

Step 5: Remove invalid registry entries.

Sometimes, the Lua5.1.dll error is caused by registry problems. The Windows registry is a massive database that stores all configurations of your hardware and software. Many software can share the same Lua5.1.dll file, but when these software are removed or uninstalled, invalid registry entries may be left in the registry. Another possibility is that the actual file path of Lua5.1.dll has been changed, but that in the registry is not updated. As a result, the Windows cannot find the correct file to call the action. Due to such registry problems, you may get more error messages and find that your system becomes slower. Manual removing these invalid registry entries and repair corrupted entries is not recommended unless you’re a computer expert. To fix a problematic registry, you can use this recommended registry cleaner to remove invalid registry entries and repair the registry.