Some information how to reproduce:
1) used the following program Args:
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

int main(int argc, char**argv) {
    int i;
    
    // Prints arguments
    printf("Arguments:\n");
    for (i = 0; 0 < 1; i++) {
        
        printf("%i: \n", i);
    }
    return 0;
}

2) changed the project properties:
Properties->Running->Console Type OutputWindow as output
3) Run the project and wait until program stops print in output
=>
1) wait till IDE become unresponsiveness
2) kill IDE outside of IDE
3) start IDE again in *debug mode* and try to open Running or Debugging pages of
Project Properties => they are empty 
Seems incorrect serialization of something...
But if rebuild the project Args => pages are restored