Quickbooks error C=55, 64 occurs due to issues in the Quickbooks database.  Causes: Network is down.  Network has crashed.  To fix Quickbooks error C=55, 64: You need to resort to the item lists from the Quickbooks' lists menu. Rebuilding data from the utilities tab of the Quickbooks can also resolve Quickbooks error C=55, 64.    For better assistance to resolve QuickBooks Error C=55, 64, reach out to QBSsolved at +1(888) 910 1619