I never had a problem with the Ice Troll on the steps to High Hrothgar, probably because I'm always level 30+ before I start the main quest on any of my characters.
Ditto, except around 20-25 for my first character. I'm not stupid enough to try and explore dangerous places before I know how to handle my character and am properly equipped.
I am very surprised so many people had a problem with a Frost Troll, out of all things....for me it was definitely the Snow Bear before that Frost Troll on the way up that was a pain to fight.
This is why developers have to introduce level scaling.
People simply cannot accept anymore that some foes are too much for them. They have to win always and every time.
I always win. Proper Planning Prevents Poor Performance.
@OP - Save more. Be prepared for anything. Like 2 Ancient Dragons at the same time. Now THAT's being prepared.