In my recent version of Desktop Pro 2017, I installed the latest update download, and then had 2 problems:
(1) In one company, when creating an Acct Copy to transfer to a client, I follow the File / Send Company File / Accountant's Copy / Save File and, after selecting the Save File, no follow up dialog box appears. I cannot select any other function, and can hear the error tone which seems to indicate I'm not selecting a correct option. I must "Escape" to return to the Home window. I have the same problem with my attempt to create a regular company backup file.
(2) In another company, after the same update download, when I attempted to create an invoice for an existing customer, I opened the Create Invoice from the Home window, then selected the customer from the dropdown list, then the program froze, requiring a forced shutdown through Windows Task Manager.
Thinking the update caused the problems, I purchased the latest QuickBooks Desktop Pro 2019, opened the problem companies, updated, and experienced the same problems.
I'm here to guide you to the right support so you can get the help you need.
I appreciate you for taking the time to follow all the troubleshooting steps in the article provided by my colleague AdrianRose_A just to resolve this issue. Since the issue persists, I encourage you to contact our QuickBooks Desktop Technical Support Team. They have the tools to do a screen share and investigate this further.