I installed a new version of a piece of software yesterday.

When I went to start the program on Windows 7 I got an error message like this.


The program can’t start because mfc100.dll is missing from your computer. Try reinstalling the program to fix this problem

I’ll admit I had to Google for a solution as I wasn’t quite sure what was wrong.

I then found out it’s because the Visual C++ redistributeable 2010 package wasn’t installed on the machine I was trying to test the software on.

(Although I could have sworn I’d already installed it…)

It was quickly fixed by downloading & installing the required run-time files.

So IF you run into the dreaded “mfc100.dll is missing” error on your PC all you need to do is install the Visual C++ run-time on your PC!

The required files are included in this download.

Make sure you Install the correct version for your system.

  • vcredist_x64.exe = 64bit machine
  • vcredist_x86.exe = 32bit machine

I knew it was something simple that caused the error & that it was going to be a quick fix.

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