If QuickBooks can't be opened the moment the invoice is opened you're not alone.This is among the most common complaints business owners confront, especially during peak hours. A single click on Create Invoice and suddenly everything ceases. Cursor remains stuck. Screen grey. There is no response. You patiently wait. You force close. You reopen. The same thing happens. The first time it's felt random. Then it becomes a problem for work. Invoices get delayed. Customers are waiting. You lo...