What is Service Host Agent Activation Runtime process?
The legit Service Host Agent Activation Runtime process is located in the System32 folder. The files involved are:
agentactivationruntimestarter.exeagentactivationruntime.dllagentactivationruntimewindows.dll
The Description says Unknown application or Application extension or Runtime for activating conversational agent applications. It is an audio driver-related process that gets activated when you use Cortana. The path to the Agent Activation Runtime (AarSvc) Service is: You may see a random number appended to this Service.
How do I disable Service Host Agent Activation Runtime?
Since Windows 11 no more uses Cortana it makes little sense to keep this task enabled, especially when it’s such a memory hog. Let’s see how to disable it! Let us cover the above steps in a bit more detail below! Open the Task Manager and switch to the Startup tab. Under it, locate Cortana.
When found, right-click the entry and select the Disabled option. Next, you will need to change the start behavior of the service. So, launch the Services Manager.
When the Service editor window opens, locate the Agent Activation Runtime under the Name heading. Next, right-click the entry and select the Properties option.
Hit the drop-down button next to Startup type and change the Startup type to Disabled. Alternatively, you can use the Registry hack. For this, open the Registry Editor. Navigate to the following path address – Then, in the list, look for “AarSvc” and “AarSvcXYZ” entries. Choose AarSvc and move to the right-pane.
There, double click Start and change the value data from 3 to 4.
3 = Manual4 = Disabled.
The base should remain at hexadecimal. Repeat the same for AarSvc. Once done, restart the computer. This should fix your problem.
What is AarSvc?
AarSvc stands for Agent Activation Runtime Service. Its located under C:\Windows\System32\AarSvc.dll. The file is a legitimate one and does not pose threat as a virus or malware.
What is UserDataSvc service?
It is the User Data Access (UserDataSvc) Service that allows apps to access user data, including contact info, calendars, messages, and other content. Most of the apps running on your system require this service. Hope it helps!
