A user can encounter an error when they attempt to open a Quickbooks Company file and the prompt for action refuses the access to the company file and a message appears on the screen that says QuickBooks will not open or stopped working. Whenever a user attempts to open a company file and Quickbooks won't open, the system becomes sluggish and slows down. Users usually encounter this error when trying to open QuickBooks desktop or QuickBooks online company file but fail to do. It shows a message stating QuickBooks won't open or won't start.
https://opencloudmanifesto.org/quickbooks-wont-open-issue/