Why can’t I use the newest version? I get an error (mfc140u.dll)

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Maiken Männik

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Nov 26, 2025, 4:14:00 PM (yesterday) Nov 26
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  Why can’t I use the newest version? I get an error (mfc140u.dll). Only version 7.6 works on my computer. My computer specs: Windows 11 Pro, x64 processor, AMD Ryzen 5 PRO 4650U with Radeon Graphics (2.10 GHz), 16 GB RAM. What could be the problem?  

Robin Mitchell

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Nov 26, 2025, 4:15:27 PM (yesterday) Nov 26
to Maiken Männik, THERM
Looking up the error for  mfc140u.dll, it looks like it is an issue with the Microsoft Visual C++ residistributable library

You might want to reinstall the Visual C++ library that is linked from the download page.

Robin

On Wed, Nov 26, 2025 at 1:13 PM Maiken Männik <maiken...@gmail.com> wrote:
  Why can’t I use the newest version? I get an error (mfc140u.dll). Only version 7.6 works on my computer. My computer specs: Windows 11 Pro, x64 processor, AMD Ryzen 5 PRO 4650U with Radeon Graphics (2.10 GHz), 16 GB RAM. What could be the problem?  

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Robin Mitchell
Building Technology and Urban Systems Division
Energy Technologies Area
Lawrence Berkeley National Laboratory

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