libifcoremd.dll still missing after installing correct Fortran and Visual c++

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PerkinsWill NY

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Jan 22, 2026, 1:49:39 PM (9 days ago) Jan 22
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Also tried looking for the missing dll in  c:\Program Files (x86)\Common Files\Intel\Shared Libraries\ia32 (on windows 11 machine) and the dll is not in that folder. 

Help!

Stephen Czarnecki

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Jan 22, 2026, 4:17:38 PM (8 days ago) Jan 22
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Hi.  Sorry for the problems you are having.  I know you probably have already checked this a few times but just in case can you verify the following:

1. You have downloaded w_ifort_runtime_p_2023.1.0.46319.exe
2. There aren't any messages in your antivirus or any other anti-malware or anything else that say anything about blocking the install.

Assuming both are true, can you try searching your computer for libifcoremd.dll and see if anything shows up anywhere else?

If you have downloaded w_ifort_runtime_p_2023.1.0.46319.exe and there is nothing blocking the install like an antivirus and the libifcoremd.dll file is still not to be found anywhere on your machine there is (or at least was last I tried) a way to get it from the w_ifort_runtime_p_2023.1.0.46319.exe.  But that is a little on the complicated side so before getting into that I'd like to make sure none of the above worked.

Thanks and sorry again for the trouble

Stephen

L. Damon Woods

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Jan 23, 2026, 12:15:51 PM (8 days ago) Jan 23
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I am also having this same issue. I have downloaded the recommended redistributable libraries, but the file libifcoremd.dll does not show up in the  ia32 folder (or any other folders when I run a search in windows explorer). I have no messages in my antivirus or malware notifications about anything blocking the install.

PerkinsWill NY

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Jan 23, 2026, 12:15:51 PM (8 days ago) Jan 23
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Hi Stephen,
yes, we downloaded  w_ifort_runtime_p_2023.1.0.46319.exe. Antivirus has not blocked it. Tried a search yesterday as well for the file and it was not present.

Robin Mitchell

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Jan 23, 2026, 12:18:14 PM (8 days ago) Jan 23
to L. Damon Woods, THERM
I'm assuming you didn't just download the file but also ran that file to install the DLLs?

Robin Mitchell
Windows & Envelope Materials Group
Lawrence Berkeley National Laboratory


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Stephen Czarnecki

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Jan 23, 2026, 12:54:21 PM (8 days ago) Jan 23
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I should start by saying the following is at your own risk.

I think all advice offered here is that in general but this case seems like it merits a reminder. So far we have not been able to replicate this problem and do not understand why what seems to be a fairly common installer from a mainstream company like Intel seems to not be working for (at the moment) a small subset of users.

Since the cause of the problem is currently unknown I cannot say for certain that the below might not cause any other problems. I am not sure why it would but I have been mistaken in the past and may be about this too.

So if you work in an organization with an IT department it would probably be best to see if they can help or at least evaluate the following to see if it might cause any issues.

Hopefully at some point in the future we will be able to figure out what the problem is but in the meantime the following may help some users.

With that out of the way here's something that might help:

0 (Optional). Copy the  w_ifort_runtime_p_2023.1.0.46319.exe  file somewhere easy to work with.  This isn't required but my Downloads folder can get pretty messy so to make things easier I made a c:\tmp\dll_issue folder and copied the file there to work with.

1. Change the file extension to zip.  So w_ifort_runtime_p_2023.1.0.46319.exe -> w_ifort_runtime_p_2023.1.0.46319.zip

2. Unzip that file.  It should result in a msi file of the same name either in the same directory on a subdirectory depending on how you unzip it: w_ifort_runtime_p_2023.1.0.46319.msi.  Mine made a subfolder so I just kept it there

2a (Optional). Create a folder to store the extracted files.  I called mine "extracted" and just put it in the same place as the msi file: 
image.png

3. Open a command prompt as administrator.  In the start menu search for cmd then right-click and select "Run as administrator": 
image.png

4. Browse to wherever the msi file is.

5. Run the following command replacing the path after TARGETDIR wherever you want the extracted files to end up:

msiexec /a w_ifort_runtime_p_2023.1.0.46319.msi TARGETDIR="C:\tmp\dll_issue\w_ifort_runtime_p_2023.1.0.46319\extracted" /qn

unnamed.png

If you forget the /qn at the end you will get a couple of dialogs from the install process.  If so clicking ok should make it finish.

With some luck the TARGETDIR location will now look like this:

image.png

6. If it does then hopefully so does the following subfolder: Intel\Shared Libraries\ia32.  Navigate there and hopefully it will look something like this: 

image.png

7. If it does then try copying all of the files from there to where your THERM exe is.  Default is C:\Program Files (x86)\LBNL\THERM7.8 

image.png

8. Finally try to run THERM.  If everything else has worked to this point then with some luck THERM will start as well.

If any step fails for you please let us know which and what happened including any output on the command line or anywhere else.

Hopefully this either fixes the problem or at least gives a little more information about what is going on and sorry again for the trouble.

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