Windows Firewall Is Blocking QuickBooks​ – How To Resolve?

Your system Firewall is a security application that prevents your network from cyber threats and other security risks. However, it can also perceive the QuickBooks processes as a security threat, causing them to disrupt. One such effect can be seen when hosting the multi-user mode in the program. Thus, the error can affect multiple users in the program. Sometimes, the ports used by QuickBooks to access the web pages through the network are blocked due to this error.