While working with your QuickBooks, you may get Crash: Com error when you open or email invoices, other transactions, or reports.

Crash: Com Error

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This error can be resolved by using one or more of the following solutions.
  Important: After updating Outlook to Monthly Channel Version 1805 (Build 9330.2087) you may see the mentioned COM error. Microsoft has published a solution for this error. For more information, refer to this Microsoft article.

This issue is fixed in Monthly Channel Version 1805 (Build 9330.2118) and higher. To get the latest update immediately, open Outlook and choose File > Office Account > Update Options > Update Now. Then check to confirm that you no longer receive the Com Error.

Perform these solutions in the order listed and re-try the process that prompted the error after each of them. If error still occurs, proceed to the next recommended solution.