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How to Fix “Failed to load library” in Roblox

Lim How Wei
May 19, 2023

Are you getting a “Failed to load library” error in Roblox?

There are a couple of libraries that Roblox might fail to load.

This includes SensApi.dll and OpenGL32.dll, which are both dynamic link libraries.

SensApi.dll is a system file that supports functions related to monitoring the system’s hardware and software resources.

This includes CPU usage, memory usage, and disk usage.

On the other hand, OpenGL32.dll communicates with the GPU to render 2D and 3D graphics on a computer screen.

In some cases, these files may be corrupted or missing, which prevents Roblox from launching.

In this guide, you’ll learn how to fix the “Failed to load library” error in Roblox (SensApi.dll, OpenGL32.dll, etc.).

Why did Roblox fail to load the library?

Failed to load library Roblox

Roblox failed to load the library because a .dll file is missing or corrupted.

The most common files are SensApi.dll, OpenGL32.dll, and MfPlat.dll.

These files are important components of the Windows operating system.

If they are outdated, corrupted, or missing, Roblox will not be able to launch.

How to fix “Failed to load library” in Roblox

To fix the “Failed to load library” error in Roblox, you need to download the missing/corrupted .dll file and paste/replace it into the Roblox folder.

Alternatively, you can try downloading and running the Microsoft Store version of Roblox.

Fix 1: Download SensApi, OpenGL32, or MfPlat

  1. Download the 64 architecture version of SensApi, OpenGL32, or MfPlat (depending on the missing library in the error message).
  2. Copy the .dll file that you’ve downloaded.
  3. Search for “%appdata%” using Windows Search and open it.
  4. Select “AppData” on the URL field (C:\Users\YourUser\AppData).
  5. Select “Local” and open the “Roblox” folder.
  6. Versions > Versions-xxxxxxxxxxxxxxxx > Delete the .dll file that is shown in the error message (if it exists).
  7. Paste the .dll file that you’ve downloaded.
  8. Restart Roblox and try playing a game.

Fix 2: Download Roblox from the Microsoft Store

  1. Search for “Control panel” using Windows Search and open it.
  2. Programs > Uninstall a program > Right-click Roblox.
  3. Select “Uninstall” to uninstall Roblox.
  4. Open the Microsoft Store app and search for “Roblox”.
  5. Select “Roblox” followed by “Get”.
  6. Launch the Microsoft Store version of Roblox and try playing a game.

Further reading

How to Fix White Screen in Roblox

How to Play Roblox on Windows 7

How to Fix Error Code 272 in Roblox

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About the author

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Lim How Wei

Lim How Wei is the founder of followchain.org, with 8+ years of experience in Social Media Marketing and 4+ years of experience as an active investor in stocks and cryptocurrencies. He has researched, tested, and written thousands of articles ranging from social media platforms to messaging apps.

Lim has been quoted and referenced by major publications and media companies like WikiHow, Fast Company, HuffPost, Vice, New York Post, The Conversation, and many others. One of his articles about the gig economy was quoted by Joe Rogan who hosts The Joe Rogan Experience (arguably the most popular podcast in the world), in the This Past Weekend podcast by Theo Von.

In his free time, Lim plays multiple games like Genshin Impact, League of Legends, Counter-Strike, Hearthstone, RuneScape, and many others. He creates guides, walkthroughs, solutions, and more on games that he plays to help other players with their progression.