Well; if the difference between my machine and your machine persists in the long run it certainly might be interesting to find the differences that makes it wor

Well; if the difference between my machine and your machine persists in the long run it certainly might be interesting to find the differences that makes it work on my machine. And - if this approach that you are showing here is representative for how you communicate it might explain a bit ;-) Edit: and yes, my approach has worked for years so either it is something I do that you don't or I'm just consistently lucky or something :-)