Story

One job that I setting multiple triggers on task scheduler.The One executes at 17:55 and the another setting on 18:00.My python code only run at 17:55.This problem lies in python code write os.system(“pause”) that will pause present cmd window.When you setting task scheduler with Do not run new instance,it may skip your job if previous task not closed.

Solve

Setting You can run a new instance in parallel
taks scheduler setting

reference