Question by rascoe627: My Windows Defender is not allowing me to install a program. How do I troubleshoot this problem? I tried turning the firewall off, but Windows Defender still isn’t allowing me to install my program. I also tried adding it to my install list, but Windows isn’t allowing me to do that either. How do I troubleshoot this problem? Best answer: Answer by low_on_ramHave you tried uninstalling windows defender & then installing this program? If windows defender is such…. Click Here to Read More