This policy setting allows you to configure the named proxy that should be used when the client attempts to connect to the network for definition updates and MAPS reporting. If the named proxy fails or if there is no proxy specified, the following settings will be used (in order): 1. Internet Explorer proxy settings 2. Autodetect 3. None If you enable this setting, the proxy will be set to the specified URL. If you disable or do not configure this setting, the proxy will be set according to the order specified above. Fix: (1) GPO: Computer Configuration\Administrative Templates\Windows Components\Windows Defender!Define proxy server for connecting to the network (2) REG: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender!ProxyServer