While opening, restoring, taking backup of your company file you might face this QuickBooks Error 6000 83. The common reasons for this error to show up is described
as: windows users does not have enough permissions, permissions for network server is not enough, QuickBooks is missing some important files. You can follow the
linked article if you need descriptive solutions or else you can dial our toll-free number 1.800.579.0391 to get help from our QuickBooks experts.

source:https://www.postingtree.com/...