QuickBooks error 6010 100 indicates that QuickBooks cannot access or use the network due to Firewall or Antivirus settings. Here, you can get the solution to fix this error.

1. Restart all Devices and Services

   • Close QuickBooks and any related processes on all computers.
   • Restart the server where the company file is located.
   • Restart all workstations connected to the network.
   • Ensure that all services related to QuickBooks (such as QuickBooksDBXX and QBCFMonitorService) are running.

2. Use the QuickBooks File Doctor tool

   • Download and install the QuickBooks File Doctor tool from the official Intuit website.
   • Run the tool and select the "Browse" option to locate the company file causing the error.
   • Choose the "Check your file" and "Continue" options.
   • Enter your QuickBooks login credentials when prompted.
   • Select the "Server" option if you are running the tool on the server computer.
   • Choose the "Workstation" option if you are running the tool on a workstation.
   • Wait for the tool to diagnose and repair any file-related issues.

3. Temporarily Disable Antivirus and Firewall:

   • Disable your antivirus and firewall software on both the server and workstation computers.
   • Attempt to open the company file again to check if the error persists.
   • If the error is resolved, configure your antivirus and firewall software to allow QuickBooks through the exceptions or exclusions list.

4. Perform a clean Installation of QuickBooks:

   • Uninstall QuickBooks from your computer using the Control Panel.
   • Download the latest version of QuickBooks from the official Intuit website.
   • Install QuickBooks using the downloaded setup file.
   • Activate QuickBooks using your license key.
   • Open the company file to check if the error is resolved.