I am using Windows 7 home 64-bit version edition. I have Avast anti-virus installed on my system. Whenever I try to enable the windows defender, an error message saying “This program is blocked by group policy. For more information contact your system administrator. (Error code: 0x800704ec)". I don’t know what to do; I think my computer is at risk of being harmed by virus or other malicious programs. Any help will be appreciated.
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