How to remove Certificate error in Quickbooks?

QB Issue Resolution:

Certificate error may come when your Quickbooks error may have ‘expired’ but that is not the case. It may be a simple software fault. To fix this error, you must follow the steps below.

• Open your Internet Explorer browser.
• At the upper right corner you may see a tools menu. Click it.
• Select the option named ‘Internet Options’
• Go to the Advanced tab.
• Click Restore Advance Settings.
• Click Apply then OK.

This will certainly fix your certificate error. IF not, contact support to help you.