So the gold booster only works somewhat once you get enough levels it changes and goes down to +0 gold even if you restart forcing you to ascend.
there was a hot fix for the trainer on the same day which one did you download:
Clicker Heroes Trainer 1.0e11+ (PATCH 03.19.2018)
or
Clicker Heroes Trainer 1.0e11+ HF (PATCH 03.19.2018)
you want the one in the #1 spot.