Can’t say anything against N5.5.1 64bit. Since SB got QT working in win7 64 bit I am smiling wide.
No crashes, no problems…most of my plugs and software/VSTi work very well, no trouble when safeing …
Maybe you should treat your systems like a beloved plant. Talk to it and thank it when it has worked reliably
for a whole day and say nighty-night when you go home, ( but rather not water it…lol …).
Those crates do have a soul… nevertheless some can be real bus tarts …
m2c after 37 years in electronics