theme and plugins not installed

Are these plugins and themes you are installing from the repo inside of WordPress or are you uploading zip files of themes/plugins?

I installing from the repo inside of WordPress

Warning: An unexpected error occurred. Something may be wrong with www.ads-software.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.ads-software.com. Please contact your server administrator.) in /home/kneadpk/public_html/wp-includes/update.php on line 205

Warning: Cannot modify header information – headers already sent by (output started at /home/kneadpk/public_html/wp-includes/update.php:205) in /home/kneadpk/public_html/wp-admin/includes/misc.php on line 1431

Warning: Cannot modify header information – headers already sent by (output started at /home/kneadpk/public_html/wp-includes/update.php:205) in /home/kneadpk/public_html/wp-includes/functions.php on line 7049

Warning: Cannot modify header information – headers already sent by (output started at /home/kneadpk/public_html/wp-includes/update.php:205) in /home/kneadpk/public_html/wp-admin/admin-header.php on line 9

Warning: Cannot modify header information – headers already sent by (output started at /home/kneadpk/public_html/wp-includes/update.php:205) in /home/kneadpk/public_html/wp-includes/option.php on line 1478

Warning: Cannot modify header information – headers already sent by (output started at /home/kneadpk/public_html/wp-includes/update.php:205) in /home/kneadpk/public_html/wp-includes/option.php on line 1479

I debugging on so this error is show me how to resolve ??

anyone help plz ??