Symptoms
InstallShield or AdminStudio fails to open and the following message is presented:
"The code execution cannot proceed because mfc140u.dll was not found. Reinstalling the program may fix this problem."
Cause
mfc140u.dll is part of the Microsoft Visual C++ 2015 redistributable that is included with the InstallShield installer and may not have installed successfully during the initial installation.
Resolution
You can download this redistributable using the link below:
https://www.microsoft.com/en-us/download/details.aspx?id=48145 InstallShield uses the x86 version of this redistributable.