Because "stdmw 106" is not an official app available on the Google Play Store, downloading and installing it carries significant risks:

: If "stdmw" is a mod for an online game, using it likely violates the developer's Terms of Service, which can lead to a permanent ban of your game account. How to Proceed Safely

: This setting is required for APKs not from the Play Store, but it should be turned off immediately after installation to protect your device.