There was a problem with the [Android] installation using the SDK Manager update

Failed to Fectch URl Https://dl-ssl.google.com/android/repository/addons_list.xml, reason:connection to https:// Dl-ssl.google.com refused

Problems installing using SDK Manager Update Failed to fetch URL https://dl-ssl.google.com/android/repository/repository-6.xml, Reason: Connection to Https://dl-ssl.google.com refused Failed to fetch URL http://dl-ssl.google.com/android/repository/addons _list-1.xml, reason:connection to Http://dl-ssl.google.com refused Failed to fetch URL Https://dl-ssl.google.com/androi D/repository/addons_list-1.xml, reason:hostname in certificate didn ' t match: <dl-ssl.google.com>! = < Www.goog Le.com> cannot resolve https://dl-ssl.google.com/android/eclipse when updating ADT
Solutions

The best way is to change the Hosts file method, update faster.

WINDOWS in the C:\WINDOWS\system32\drivers\etc directory, Linux users open the/etc/hosts file. After opening the file, add the following content.

#Google主页
203.208.46.146 www.google.com

#这行是为了方便打开Android开发官网 don't seem to turn right now.
74.125.113.121 developer.android.com

#更新的内容从以下地址下载
203.208.46.146 dl.google.com
203.208.46.146 dl-ssl.google.com

Add the above URLs, and then choose the HTTP protocol, you can update the normal.

Choose HTTP protocol

Open SDK Manager.exe, check the tool bar, click Android SDK Manager, under Force https://...sources to be fetched using http://. Tick on the line, the main is to transfer the protected protocol HTTPS to normal HTTP

There was a problem with the [Android] installation using the SDK Manager update