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.