The application was unable to start correctly (0xc000007b)

Question

I have a client/server app which I have been developing on a single PC. Now it needs two serial ports, so I borrowed a PC from a friend.

When I build my app and try

Answer 1

I recently had an issue where I was developing an application (that used a serial port) and it worked on all the machines I tested it on but a few people were getting this error.

It turns out all the machines that the error happened on were running Win7 x64 and had NEVER ONCE been updated.

Running a Windows update fixed all of the machines in my particular case.