Missing mfc100.dll error in Streets & Trips 2013
Marvin Hlavac
Several users of Streets & Trips and MapPoint have reported to receive the following error when attempting to start the program after an error-free installation:

Program can't start because mfc100.dll is missing from your computer. Try reinstalling the program to fix this problem.
The few users I've heard from all installed the application from an installation DVD disc.

I suggested to one user to try the following (and it worked):
  1. Uninstall the program
  2. Download the trial version from Microsoft.com/streets
  3. Install the downloaded version*.
If you experience the same issue, give the above a try, and please let us know if it helps you, too.

* The downloadable product is identical to the retail version sold on DVD. The trial restriction is removed when software activation code is entered.
I had this same issue with the missing mfc100.dll file. However I am on the road and staying in a hotel. Downloading a 1.4 gig file was not an option. So I made a call to Microsoft Support and the simple solution is to install The Microsoft Visual C++ 2010 Redistributable Package.

You can get the one for your OS here;

The steps to make this work are:
  1. Install the program from disk. (you can click on the icon to confirm the install and see the missing file message)
  2. Download the Visual C++ 2010 Redistributable Package for your computer.
  3. Click on Streets & Trips 2013 and Voilą it works.


Btw lurking here for a few years, many thanks to all who offer their knowledge and support.
Marvin Hlavac
Hi Michael, thanks for sharing! Yours a much simpler solution than downloading the huge file and reinstalling it all over again (which I'm still not 100% sure fixes it, even though two users already confirmed it worked).
The MS support tech indicated that the map team was aware of the issue. He and the other support techs had helped others through the install, all of them just needing the Visual C++ 2010 software. Agreed 9mb vs 1.4gb that was easy.

After hours of trying suggested fixes, the link below fixed my missing mfc100.dll problem!!!

Didn't even need to uninstall/reinstall 2013. Just install the x86 version of C+, and then reopen 2013, and it continues to the product key page!!!

Even though you have a 64-bit computer, you need to install the X86 version of the Microsoft Visual C++ 2010 SP1 redistributable.

Try this link to install the x86 version: http://www.microsoft.com/en-us/download/details.aspx?id=8328
The link I provided takes you to a page of 'OS choices" Included in those is the page you reference https://www.microsoft.com/en-us/download/details.aspx?id=8328

It's the third one down.

Glad to see you got it installed OK.

Even if you have the x64 version of C++ installed on a 64 bit machine, you need to install the x86 version of C++. That is what I was trying to clarify
I have just ordered and received MS S&T 2013 from Microsoft and installed it on my Windows XP (32bit) old computer.
I was interested in this thread because I am about to get a new computer with Win 7 (or 8) Pro (64bit).
I checked using Search and find the file mfc100.dll present in ...Windows\System32 where it should be.
I note in Add or Remove Programs that the DVD installed Visual C++ 2010 Redistributable Version.
It appears Microsoft has fixed this problem.
It is also possible the DVD will not install the x86 version of C++ on a 64bit system and the actions listed here in this forum are still needed.
Guess I'll find out on the new computer soon.
Nevertheless: Anyone know for sure if Microsoft has fixed this?
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