When there are problems with the network connection or settings, QuickBooks cannot access the required files, which results in QuickBooks Error Code 557. Network problems or improper firewall settings may possibly be the cause of this message. Troubleshooting the network connection and making sure the firewall settings permit QuickBooks access are the necessary steps in fixing it. Give us a call at+1.833.802.0002 if you would like to talk with a QuickBooks support specialist right away.