0xc000007b Error Solution

Two days ago I was working on a C++ project using OpenCV, when suddenly my project couldn’t run anymore!

I just have changed my OpenCV dlls to parallel version and ended up with this Error: "The application was unable to start correctly (0xc000007b). Click OK to close the application." every time I tried to run my application.


After some hours of hard search I found that 0xc000007b error didn’t come from an exception in my code or even OpenCV dlls. I found that the error is just wrong configurations and the solution is easy, so I decided to write this article to show you how you cans solve this error permanently.

The Problem

0xc000007b error comes mainly from mixing up 32bit environment with 64bit one, that is you have an 32bit application that tries to load a 64bit dll.

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