not able to install anything in wordpress

I am trying installing theme and plugins but its not happening. I checked my internet connection. its already up and high.

wordpress is running but i am not able to install anything. Please help resolve the issue

“Warning: An unexpected error occurred. Something may be wrong with www.remarpro.com or this server’s configuration. If you continue to have problems, please try the support forums. (WordPress could not establish a secure connection to www.remarpro.com. Please contact your server administrator.) in C:\wamp\www\mysite\wp-includes\update.php on line 295″