THERM 7.8 won't start on Windows 11 (0xc000007b) after fresh install

[Darren O' Toole]

Hi,

I have downloaded THERM 7.8 from the official LBNL website and completed a clean installation on Windows 11 (24H2).

THERM installs successfully but immediately fails with:

The application was unable to start correctly (0xc000007b).

I have already tried:

• Fresh installation of THERM 7.8
• Installing the required Microsoft Visual C++ Redistributables
• Installing the Intel Fortran Runtime recommended on the THERM website
• Restarting Windows

I also carried out debugging using WinDbg.

The loader log shows THERM loading libifcoremd.dll before failing while loading libmmd.dll, resulting in error 0xc000007b.

The Intel runtime currently installed is:

• libifcoremd.dll
• File version: 2025.11.4.0
• Product version: 2026.0.0

located in:

C:\Program Files (x86)\Common Files\Intel\Shared Libraries\bin

Has anyone experienced this with THERM 7.8 on recent versions of Windows 11, or is there a known compatible Intel Fortran runtime that should be used instead?

I can provide the WinDbg loader log (THERM-loader.txt) if required.

Thanks,

Darren O'Toole

Disclaimer: I had ChatGPT write this email as the install is gone over my head. Thanks in advance for any guidance. Please also note I have attached the THERM loader file on the advice of Chat GPT also.

[TAO XUAN TRUONG]

Same matter for me...

Can anyone help?

Thanks & Best Regards

Tony

[Robin Mitchell]

This error is caused when the wrong version of the redistributables is installed, which is why we try to be clear about which of each to install. 

For the Visual C++ Redistributable, you need to install the X86 version

And for the Fortran Redistributable, it seems that you may not have downloaded the exact file we specify on our web page

https://windows.lbl.gov/redistributable-packages

Robin

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Robin Mitchell

Windows & Envelope Materials Group
Lawrence Berkeley National Laboratory