AppvStrm Service Defaults in Windows 10

Microsoft App-V Streaming Mini-Filter Driver.

Default Settings

Startup type:
Windows 10 Home 1507N/A
Windows 10 Pro 1507N/A
Windows 10 Education 1507N/A
Windows 10 Enterprise 1507N/A
Windows 10 Home 1511N/A
Windows 10 Pro 1511N/A
Windows 10 Education 1511N/A
Windows 10 Enterprise 1511N/A
Windows 10 Home 1607N/A
Windows 10 Pro 1607Manual
Windows 10 Education 1607Manual
Windows 10 Enterprise 1607Manual
Windows 10 Home 1703N/A
Windows 10 Pro 1703Manual
Windows 10 Education 1703Manual
Windows 10 Enterprise 1703Manual
Display name:AppvStrm
Service name:AppvStrm
Service type:filesys
Error control:normal
Group:FSFilter HSM
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\AppvStrm

Default Behavior

AppvStrm is a file system driver. In Windows 10 it is starting only if the user, an application or another service starts it. If AppvStrm fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the AppvStrm service has failed to start due to the error.


AppvStrm cannot be started under any conditions, if the FltMgr service is disabled.

While AppvStrm is stopped, the Microsoft App-V Client service cannot be launched.

Restore Default Startup Configuration for AppvStrm

1. Select your Windows 10 edition and release, and then click Download.

2. Save the Win10_AppvStrm_Service_Startup.cmd file to a local storage device.

3. Run the saved file as an administrator.

4. Restart the computer.

The AppvStrm service is using the AppvStrm.sys file that is located in the %WinDir%\system32\drivers folder. If the file is changed, damaged or deleted, you can restore its original version from Windows 10 installation media.