If you're seeing that Windows Firewall is Blocking QuickBooks, you're not alone. This issue often disrupts multi-user mode and access to company files. It’s commonly caused by:

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  Improper firewall configurations

  
  


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  Untrusted application settings

  
  


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  Blocked QuickBooks ports

  
  

Fix it by updating your firewall rules or using the QuickBooks Tool Hub to auto-detect and resolve the problem. Still need help?

Call +1-866-500-0076 for expert-level QuickBooks firewall support and get back to business in no time!

Read More: https://medium.com/@henrymaartin1990/understanding-quickbooks-error-3371-status-code-11118-how-to-settle-it-97f749f0f788