In User configuration click on “Administrative Templates”Click on systems and double click on “Don’t specified Windows applications”
Select Enable option and click on “show”
Type application name with extension which you want to block like “Rocket. Chat” is an application name and .exe is extension in this caseSelect the Apply and click on Ok to proceed the changes
When you try to reopen the application, it will show you error message as below and your application is successfully blocked
If you want to unblock the application, just click on “Not Configured” select Apply and click on ok
