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Thread: Missing mfc140u.dll

  1. #6
    Join Date
    Jun 2017

    Missing mfc140u.dll

    Hi cowdogman2,

    I would suggest in a fresh machine try installing only InstallShield 2018 express and see the behavior.i could see mfc140u.dll present in(C:\Windows\Syswow64/System32 as well in redist folders too).On succeeding this,you could proceed with other Visual studio installations.You may not need to install VC++ 2015 redistributable manually,installshield can do that installation for you.Give it a try to see whether it works


  2. #7
    Join Date
    Jun 2018
    Hi Jenifer:


    I actually figured it out yesterday and posted the solution to this thread, but I got a message saying that my message was to be reviewed by a moderator--and it's still not posted here (as of now).

    After looking around the internet a bit I saw that the VC++ 2017 Redistributable will remove the VC++ 2015 Redistributable upon installation. The VC++ 2017 Redistributable is supposed to take the place of the the VC++ 2015 Redistributable, and supposedly software looking for the VC++ 2015 Redistributable will use the VC++ 2017 Redistributable. I had installed Visual Studio Pro 2017, which had (I'm pretty sure) overwrote the VC++ 2015 Redistributable with the VC++ 2017 Redistributable.

    My solution: Uninstall Visual Studio Pro 2017 (which I don't use), uninstall the VC++ 2017 Redistributable and then in Control Panel -- Programs click on Visual Studio 2015 and on the following dialog click Repair. This will, among other things, reinstall the VC++ 2015 Redistributable.

    Note that the VC++ 2015 Redistributable will NOT install if the the VC++ 2017 Redistributable is installed.

    If you use both VS 2017 and VS 2015, I suggest you just run the repair on VS 2015 without removing VS 2017--not sure that will work, but it's what I would try.

    Hope this message gets posted--as installing IS 2018 was a very frustrating experience for me.

  3. #8
    Join Date
    Oct 2018
    Same as before, you need to install the VC++ redist for the VC++ version you have used to compile the program, VS2012 in this case.

    Last edited by Heckman357; 11-19-2018 at 07:10 AM.

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