QuickBooks Crash: Com Error is usually encountered while opening or emailing the invoices with QuickBooks default mail Services Microsoft Outlook. This error can be resolved easily by following some easy steps that have been mentioned below.

Crash: Com Error

Important: After updating Outlook( Channel Version 1805{ build 9330.2087}) COM error will be visible to you. 

Soution1: Make sure that you are using the latest version of  Microsoft outlook.

-  Open your Outlook which is logged in and click on File menu and then select Office Account. From the office, account select Update Options and then click on Update now.

-  now when the update is done check again if you are still getting com error or not.

Solution 2: Setting up outlook as your default email service.

- On your windows open the control panel and go to Default Programs and click on Set your default program.

-From the list of programs that will now appear you have to select MS outlook and then click on set this as default.

- at last simply press ok

Solution 3: For more information about fixing COM: crash read this article posted by QuickBooks Technical Support -  QuickBooks Crash: Com Error | Solutions