This article explains what svchost.exe is, how to tell if it is safe, and what to do if you find a svchost.exe virus.
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The svchost.exe (Service Host) file is a critical system process provided by Microsoft in Windows operating systems. Under normal circumstances, this file is not a virus, but a crucial part of many Windows services.
The purpose of svchost.exe, as its name suggests, is to host services. Windows uses it to group services that need access to the same DLLs to run in one process, which helps reduce their demand on system resources.
Because Windows uses the Service Host process for so many tasks, it is common to see increased RAM usage of svchost.exe in Task Manager. You will also see many instances of svchost.exe running in Task Manager, because Windows groups similar services together, such as networking-related services.
