If QuickBooks will not open at the time the invoice is opened, you're not alone.This is among the most frequent complaints that business owners confront, especially during the peak times of the day. Simply click Create Invoice and suddenly everything stops. Cursor stuck. Screen grey. No response. You wait. You force close. You reopen. Repeat the same error. At first, it is a little random. Later it starts affecting work. Invoices get delayed. Customers wait. You lose patience. And slowly ...