Check the privacy settings for those tools, they likely require Full Disk Access. After updating any of those tools, be sure to restart the Mac. If you still have trouble, download EtreCheck which includes instructions on how to attach the EtreCheck scan in reply on Apple Discussion Community...
Chrome and Internet Explorer use your operating system's proxy settings.Getty If your office connects to the Internet through a corporate network, you need to assign Windows a proxy server for outgoing connections. The proxy server acts as a buffer between your local machines and the Web, storin...