How To Fix QuickBooks Error 6144 Copy the organization File in New folder “QB”. The file gets corrupted because of its size and for that reason, it isn't opening in QuickBooks. The Company file is known as as “Get Back to Business” Open the Windows Explorer by pressing Windows + E keys Now, go directly to the Drive C > Users->Public->Public Documents->Intuit->QuickBooks->Company Files and the company file must be there as this could be the default location of QuickBooks Company file. Copy and Paste the company file in newly created folder “QB”. Now, make sure that the file is properly copied during the desired location. Create Inbound And Outbound Firewall Rules: Open the Windows Firewall settings Navigate to the Advanced Settings > Inbound Rules > New Rule > Port Click on Next Click on TCP and, insert the port number according to your QuickBooks version. For QuickBooks 2013 users, it'll be Click on Next. Click on enable the connection and then select Next You can provide a name to it like QB to spot it. Click on Finish They are the port numbers for different versions: The Firewall Ports is dependent on the QuickBooks version you are using. You ought to consult web provider to obtain the appropriate firewall rules. You'll want to add the Ports in all the systems and not just the server computer. Similarly “Add Ports” to the new Outbound rules Additionally, Go to Start > All Programs > QB. Click on QuickBooks Database Service Manager from the drop-down list Click on Add Folder. Locate and add QB Click the Scan button and also the scan means of QuickBooks company file will get started. Note: If another folder is already listed there then you definitely have to remove it.