Solution to problems encountered during Android SDK Installation

Problem:
Hostname in certificate didn't match: <dl-ssl.google.com>! = <Www.google.com> fetching URL: https://dl-ssl.google.com/android...

Solution:
Step 1:
Open the/etc/hosts file in c: \ windows \ system32 \ drivers \ etc \ hosts, Linux, and add the following content:
203.208.46.146 dl.google.com
203.208.46.146 dl-ssl.google.com
203.208.46.146 groups.google.com
203.208.46.146 goo. GL
203.208.46.146 appengine.google.com
74.125.113.121 2.16.android.com

Step 2:
Open Android SDK manager, select tools from the top menu, and enter options. In "Force https ://... "You can update it!