Failed to import pytorch fbgemm.dll or one of its dependencies is missing

If you run into this message, you'll likely need to update your Visual Studio MSVC drivers. Here's a quick guide on how to do it for Windows. (2024-08-23)

• Download Visual Studio Installer

  • https://visualstudio.microsoft.com/downloads/

  • Click on the "Community > Free Download" in the bottom left corner.

• Open Visual Studio Installer:

  • Search for "Visual Studio Installer" in your computer's Start menu and open it.

• Update Visual Studio Community (1):

  • Make sure your Visual Studio is up-to-date. Click on the Update-button on the right version of "Visual Studio Community".

• Modify the existing installation (2):

  • In the Visual Studio Installer, find and click on the "Modify" button next to your installed version of Visual Studio.

  • This will bring you to the "Workloads" screen.

• Select Desktop Development with C++:

  • In the "Workloads" tab, locate the "Desktop development with C++" option. Ensure that this workload is checked.

• Verify Components:

  • With the "Desktop development with C++" workload selected, look at the "Installation details" section on the right.

  • Look for the component "MSVC v143 - VS 2022 C++ x64/x86 build tools" (or whichever version is the latest).

  • Ensure this component is checked. If it's not, check it now.

• Apply Changes:

  • Click on the "Install while downloading" button at the bottom of the window to apply the changes.

  • The installer will download and install any missing or outdated components.

That should be it