One of the problems that can majorly make you sick because once you have the QuickBooks payroll malfunctioning things can get a lot messy. So to make it work again, you should firstly check the version of the software that you are using, because many times if your software gets outdated, it starts to misbehave and not work as it should. If it still is not working properly, you can contact the customer care with the helpline number provided on their official website.
Solved: - https://www.quickbooks-customercare-number.com/quickbooks-payroll-is-not-calculating-taxes/