The introduction of Just-in-Time (JIT) debugger tool drmingw:

It’s very easy to install this tool. We can download from the internet and unzip it:

It’s necessary to put the directory of the tool bin in the environment variable Path on windows OS.
After that, we can run drmingw.exe by cmd as administrator just like this:

drmingw.exe -i -a

It means the whole installation is successful if we get the following message box.

Let’s write a simple CPP file which can get an executable that will crash if we run it.


using namespace std;

struct Node


    char value;


int main()


    Node *ptr = NULL;

    cout << ptr->value << endl;

    return 0;


Run the executable file and get the crash information:

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