It's not quite the same as the 'heisenbug' but I've seen a couple of cases over the years where a mysterious problem was resolved by moving to the latest update

It's not quite the same as the 'heisenbug' but I've seen a couple of cases over the years where a mysterious problem was resolved by moving to the latest update of the C/C++ runtime. It's weird how many enterprises are fine with running years behind on maintenance on that.