Error Message: Could Not Start QuickBooks

Close all instances of QuickBooks using Task Manager.
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Run Both Webgility and QuickBooks as administrators to avoid permission issues.
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Ensure QuickBooks is Running with the correct company file open and logged in. To verify the company file. Please refer to this LINK
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Incompatibility between versions of Webgility and QuickBooks versions. Please refer to the link to learn how to update your Webgility Application to the latest version. LINK
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Grant Access to Webgility in QuickBooks under Edit>Preferences> Integrated Applications. To regenerate QuickBooks Certificate. LINK
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Firewall & Antivirus Exceptions: You may try disabling the firewall and antivirus (if running). Sometimes, antivirus software can interfere with the connection process. To prevent this, add C:\Webgility to your antivirus software's exemption list. After making this change, restart the Webgility software. Adding the Webgility software to your antivirus exemption list can prevent it from being mistakenly flagged as a security threat, hindering the connection process.
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Verify and Restart the QuickBooks Database Server Manager if necessary. Before proceeding with this step follow this link to create a Quickbooks backup and then refer to this link to restart QuickBooks Database Server Manager.
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