Check Your Connection? Discover proven step-by-step fixes to restore seamless video calls, chats, and meetings. Quick troubleshooting for instant results.

New child process ms-teams_modulehost.exe handles the calling stack separately to speed up Teams startup. The new process appears under ms-teams.exe in Task Manager and won't need any special setup.

Some Windows 11/10 PC users are reporting the issue whereby when opening Microsoft Teams or clicking the Chat icon on the taskbar, they receive the msteams.exe ...

Major Microsoft Teams Performance Update Rolling Out in January 2026 Your email has been sent Microsoft is splitting the Teams calling stack into a new background process on Windows to cut launch ...

Microsoft says it will add a new Teams call handler beginning in January 2026 to reduce launch times and boost call performance for the Windows desktop client. A new process, ms-teams_modulehost.exe, ...

Reconnect your Microsoft Teams account using the Settings app Clear Microsoft Teams cache Use the web version of Microsoft Teams Re-install Microsoft Teams. 1] Reconnect your Microsoft Teams account ...

Tired of the frustrating Microsoft Teams "Register" Account Error blocking your work? Discover proven, step-by-step fixes ...