Problem Details
When installing an application on Android devices, this alert message appears: “Blocked by Play Protect”
Cause
This message appears if the application has not been verified by Google Play Protect.
In most cases, this issue occurs because the applications under development have yet to be scanned by Play Protect.
Please review the following help article for more details about Google Play Protect.
https://support.google.com/accounts/answer/2812853
The message will be dismissed after you send your application to Play Protect for it to be scanned and confirmed.
Once installation is completed, the message “Send app for scanning?” appears. Select the “Send” button to send your application to Play Protect.
It can take several hours to several days for the scan to complete. When finished, the message will no longer appear.
Solution
Select the “Install” button to install the application.
If you select the “OK” button, the installation won’t start.
The message will be dismissed after sending the application to Play Protect to be scanned. This can take several hours to several days.
Note
It is possible to turn off Play Protect for specific devices. This may be an option if a device is only used internally to test applications under development and will not be used to install external applications.
Please review the following help article for more details.
“How to turn Google Play Protect on or off” https://support.google.com/accounts/answer/2812853?hl=en#zippy=%2Cinformation-for-developers:~:text=How%20to%20turn%20Google%20Play%20Protect%20on%20or%20off
Disabling Play Protect will disable the malware protection from Google Play. As such, to maintain security levels, we do not recommend turning off Play Protect and recommend that you keep it on at all times.