process isolation

About this tag
Process isolation on Windows refers to running application components in separate child processes to improve stability, performance, and fault tolerance. Recent Microsoft Teams updates introduce ms-teams_modulehost.exe, a dedicated child process that isolates call and media handling from the main Teams process. This change aims to reduce startup time, lower memory usage, and prevent call-time crashes by containing resource spikes within the isolated process. While this addresses some performance pain points, it does not fully resolve the underlying architectural issues that make Teams resource-intensive. Process isolation is a common technique in modern Windows applications to enhance reliability and resource management.

  1. Microsoft Teams Windows: New ms-teams_modulehost.exe for Faster Calls and Isolation

    Microsoft is rolling out a focused performance change to the Microsoft Teams Desktop Client on Windows that isolates call handling into a new, dedicated child process — ms-teams_modulehost.exe — promising faster call startup, better fault isolation, and clearer resource control while leaving the...
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  2. Microsoft Teams on Windows Adds ms-teams_modulehost.exe for Faster Startup and Call Stability

    Microsoft is rolling out a targeted fix for one of the most persistent pain points in the Windows Teams experience: sluggish startup, high memory use, and call-time instability — by shipping a new background process, ms-teams_modulehost.exe, that will isolate call and media handling from the...
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  3. Microsoft Teams Adds ms-teams_modulehost.exe to Speed Up Calls

    Microsoft has quietly confirmed a practical but partial fix for one of the most persistent complaints about its desktop collaboration app: Teams will soon run calling features in a separate child process — ms-teams_modulehost.exe — in an effort to reduce startup time and blunt the worst of the...
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