What is causing the “Custom error module does not recognize this error” error?
We investigated this particular error message by looking at various user reports and the repair strategies that most affected users have deployed in order to fix the problem. As it turns out, there are two potential culprits that might end up triggering this error message: If you’re currently struggling to resolve this error message, this article will provide you with several troubleshooting guides. Down below, you’ll find a collection of methods that other users in a similar situation have effectively used to fix this particular issue. For the best results, we advise you to follow the methods in the order that they are presented as they are ordered by efficiency and difficulty. Eventually, one of them is bound to help you in resolving or bypassing the error, regardless of the scenario in which you encounter the issue.
Method 1: Checking the health status of Outlook services
First things first, let’s make sure that the issue is not beyond your control. Some affected users have reported that, in their case, the issue was caused by a maintenance period of Outlook.com. With this in mind, it’s important to eliminate this possibility from your potential culprit list. To check the status of Outlook services, access this link (here) and check whether Outlook.com service has a checkmark associated with it. If the Details section says that “Everything is up and running” then the issue is not caused by scheduled maintenance or an unexpected server crash. If this method has helped you to determine that the issue is not being caused by Microsoft’s servers, move down to the next method below.
Method 2: Deleting all cookies associated with Outlook
Some affected users have managed to resolve the issue after they removed the cookies associated with Outlook OWA app that they’ve encountered the issue on. Upon removing all cookies except the one which is applicable to the email in question, they reported that the “Custom error module does not recognize this error” issue no longer occurred. However, the procedure of deleting the cookies associated with Outlook will be a little different depending on which browser you’re using. Because of this, we created four separated guides on deleting Outlook cookies – for Chrome, Opera, Firefox and Microsoft Edge. Please follow the guidelines applicable to the browser in which you’re encountering the issue. Here’s a quick guide on how to do this on Chrome: Here’s a quick guide on how to do this on Opera: Here’s a quick guide on how to do this on Mozilla Firefox: Here’s a quick guide on how to do this on Microsoft Edge: Note: Since Microsoft Edge is missing a feature that will allow you to manage cookies by site, you have no other choice but to delete them all.
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