Incorrect date/time settings, internet connection problems, or firewall restrictions can cause
QuickBooks Error 12045 when updating QuickBooks. This error prevents software updates, which impacts security and performance. To fix it, check internet settings, adjust firewall permissions to allow QuickBooks updates, and verify system date/time. If you would like to speak with a QuickBooks support specialist immediately, call us at
+1.833.802.0002.