Learn Editor: Update known-issues.md

Author: madakeva

support/mem/intune/known-issues.md

@@ -10,6 +10,12 @@ ms.custom: sap:Set Up Intune\Set up administrators and manage roles
 
 This page lists recent known issues with Microsoft Intune. For a list of weekly feature announcements, see [What's new in Microsoft Intune](/mem/intune/fundamentals/whats-new) in the Intune product documentation. Visit the [Intune Customer Success blog](https://techcommunity.microsoft.com/t5/intune-customer-success/bg-p/IntuneCustomerSuccess) for posts about best practices, support tips, and other tutorials, and a backlog of past known issues.
 
+## Apps deployed with Configuration Manager are taking a long time to load on the Company Portal for Windows Apps page
+
+- **Status:** Active
+
+There's a known issue for the Company Portal for Windows where apps deployed with Configuration Manager can take multiple seconds (up to a few minutes) to load on the Apps page. We are investigating this issue and will update this article when more information becomes available.
+
 ## Azure enterprise applications aren't displayed in the Company Portal for Windows or the Intune Company Portal website
 
 - **Status:** Active