"This is a CONNECT tunnel, through which encrypted HTTPS traffic flows. Fiddler's HTTPS Decryption feature is enabled, but this specific tunnel was configured not to be decrypted. Settings can be found inside Tools > Fiddler Options > HTTPS."
https://www.telerik.com/forums/fiddler-4-certificate-err-on-windows
http://www.pianshen.com/article/5841276275/
针对的是win10系统下fiddler因个人权限,哪怕用管理员权限,实际fiddler证书也没有安装并信赖成功导致, 主要还是受制于公司内域网络环境问题,在家应该没有这问题.