Microsoft Windows Defender is running. You should stop Windows Defender before continuing with the installation. Windows Defender can interfere with creation of a package by accessing files that must be added to the virtual application package or by adding extraneous data to the virtual application package.
Use the following procedure to stop Microsoft Windows Defender from running during sequencing.
On the computer running the App-V Sequencer, click Start, right-click Computer, and then click Manage.
In the Computer Management console, double click Services and Applications, and then double-click Services to expand Services.
Locate it in the list. Right-click Windows Defender, click Stop to stop Microsoft Windows Defender, and then click Ok.