Ackermann Function

[Kernelpanic]

the only thing I can think of is that the compiler is not rebuilding your program, try making some minor change to the code and see if it works

Well, but what? 

or perhaps you are editing the wrong makeline_win.txt in case that you have more than one version of QB64 installed

No, it's the makeline of QB64 0.82. -- I just renamed the original "makeline" to "xmakeline..." - no change. Game over!