How To Fix “PHYSXLOADER.DLL” Missing Error


There are few things as disruptive to your computing experience as error messages popping up. One such error that Windows users might encounter is the “PHYSXLOADER.DLL is missing” message.

This error usually arises when trying to play games that require the Nvidia PhysX software. In this comprehensive guide, we’ll explore the reasons behind this error and provide step-by-step solutions to get you back in the game.


Causes of the PHYSXLOADER.DLL is missing Error

This error is generally caused by one of the following:

Outdated or corrupted Nvidia PhysX software: PHYSXLOADER.DLL is a Dynamic Link Library file used by Nvidia PhysX. If the software is out-of-date or corrupted, it can cause the DLL file to go missing.

Accidental deletion: Sometimes, the DLL file may be accidentally deleted when uninstalling other programs or during antivirus scans.

Malware or virus: Malicious software may also corrupt or delete the DLL file.

Solutions to Fix the PHYSXLOADER.DLL is missing Error

Depending on the cause, various solutions can be applied:

Solution 1: Reinstalling Nvidia PhysX

Often, reinstalling the software that uses the DLL file can solve the issue. Here’s how to do it:

Step 1: Uninstall Nvidia PhysX via Control Panel > Programs > Programs and Features. Right-click on Nvidia PhysX and select Uninstall.

Step 2: Restart your PC.

Step 3: Download the latest version of Nvidia PhysX from the official Nvidia website.

Step 4: Install the software, then restart your PC again.

Solution 2: Restoring the DLL file

If you’ve accidentally deleted the DLL file, you can restore it from the recycle bin:

Step 1: Open the Recycle Bin.

Step 2: Search for “PHYSXLOADER.DLL.”

Step 3: Right-click on the file and select “Restore.”

Solution 3: Running a Malware Scan

If you suspect malware or a virus to be the cause, run a comprehensive system scan:

Step 1: Update your antivirus software to ensure it can detect the latest threats.

Step 2: Run a full system scan and follow the on-screen instructions to quarantine or remove any threats found.


The “PHYSXLOADER.DLL is missing” error, while disruptive, can generally be resolved using the above methods.

It’s important to remember that DLL files are crucial to the proper functioning of software, and while they can sometimes cause problems, understanding their purpose and knowing how to resolve issues will keep your PC running smoothly.

Frequently asked Questions

Here are some Frequently Asked Questions (FAQs) related to the “PHYSXLOADER.DLL is missing” error:

Q1: What is a .dll file and why is it important?

A1: DLL stands for Dynamic Link Library. It’s a type of file that contains code and data that can be used by multiple programs at the same time. This promotes efficient memory usage and modularization, allowing for easier program updates.

Q2: Is it safe to download a DLL file from the internet?

A2: It’s generally not recommended to download DLL files directly from the internet, as they can often be associated with malicious software. Always try to resolve DLL issues by reinstalling the associated software or restoring the file from the Recycle Bin.

Q3: Can I prevent “PHYSXLOADER.DLL is missing” error from recurring?

A3: Keeping your software, particularly the Nvidia PhysX, updated can help prevent this error. Regular system scans for malware or viruses also ensure your system’s integrity.

Q4: Why does the “PHYSXLOADER.DLL is missing” error occur when I’m trying to play a game?

A4: Many games require Nvidia PhysX to render physics simulations. If the necessary DLL file is missing or corrupted, the game cannot access the functions it needs, leading to this error.

Q5: Can I fix the “PHYSXLOADER.DLL is missing” error if I’m not tech-savvy?

A5: Yes, the steps provided in the article are designed to be straightforward and user-friendly, regardless of your tech proficiency. If you’re unsure, you can always seek help from a tech-savvy friend or professional.


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