Ron here is a list of things to try that is from QBs forum. https://community.intuit.com/articles/1199607-quickbooks-has-stopped-working-won-t-open-or-quickbooks-is-not-responding-or-freezingWhen I opened my Windows 10 computer this morning it had some type of major update. It went through the opening like it did after the first install. QBs might have trouble with the new upgrade.
QuickBooks Pro start-up problem
