xMasterUserx

Those are just notices. Most likely from other plugins that still use the deprecated WP_Widget constructor.
Just disable debug now in the wp-config.php file

ready problem solved, I added more memory to the server provider, then I reinstalled the wordpress, everything in order, in case anyone feels the same.

Bless friends!

and solved the memory problem, now I get it

Notice: register_uninstall_hook was called incorrectly. Only a static class method or function can be used in an uninstall hook. Please see Debugging in WordPress for more information. (This message was added in version 3.1.) in /home/surtradi/public_html/wp-includes/functions.php on line 3622

Notice: ??El llamado m??todo constructor para WP_Widget es obsoleto desde la versi?3n 4.3.0! Utiliza
__construct()
en su lugar. in /home/surtradi/public_html/wp-includes/functions.php on line 3457

Notice: ??El llamado m??todo constructor para WP_Widget es obsoleto desde la versi?3n 4.3.0! Utiliza
__construct()
en su lugar. in /home/surtradi/public_html/wp-includes/functions.php on line 3457

Notice: ??El llamado m??todo constructor para WP_Widget es obsoleto desde la versi?3n 4.3.0! Utiliza
__construct()
en su lugar. in /home/surtradi/public_html/wp-includes/functions.php on line 3457

Notice: ??El llamado m??todo constructor para WP_Widget es obsoleto desde la versi?3n 4.3.0! Utiliza
__construct()
en su lugar. in /home/surtradi/public_html/wp-includes/functions.php on line 3457

Warning: Cannot modify header information – headers already sent by (output started at /home/surtradi/public_html/wp-includes/functions.php:3622) in /home/surtradi/public_html/wp-includes/pluggable.php on line 1207

Ok, you only increase the memory in the system? because the plugin gives me error is ecommerce, install any subject, except that comes by default, gives me that error, with increasing memory, it would remove me the problem? I am already in contact with the hosting service provider.

Notice: register_uninstall_hook was called incorrectly. Only a static class method or function can be used in an uninstall hook. Please see Debugging in WordPress for more information. (This message was added in version 3.1.) in /home/surtradi/public_html/wp-includes/functions.php on line 3622

Notice: ??El llamado m??todo constructor para WP_Widget es obsoleto desde la versi?3n 4.3.0! Utiliza
__construct()
en su lugar. in /home/surtradi/public_html/wp-includes/functions.php on line 3457

Notice: ??El llamado m??todo constructor para WP_Widget es obsoleto desde la versi?3n 4.3.0! Utiliza
__construct()
en su lugar. in /home/surtradi/public_html/wp-includes/functions.php on line 3457

Notice: ??El llamado m??todo constructor para WP_Widget es obsoleto desde la versi?3n 4.3.0! Utiliza
__construct()
en su lugar. in /home/surtradi/public_html/wp-includes/functions.php on line 3457

Notice: ??El llamado m??todo constructor para WP_Widget es obsoleto desde la versi?3n 4.3.0! Utiliza
__construct()
en su lugar. in /home/surtradi/public_html/wp-includes/functions.php on line 3457

Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 30720 bytes) in /home/surtradi/public_html/wp-admin/includes/theme.php on line 169

Notice: register_uninstall_hook was called incorrectly. Only a static class method or function can be used in an uninstall hook. Please see Debugging in WordPress for more information. (This message was added in version 3.1.) in /home/surtradi/public_html/wp-includes/functions.php on line 3622

Warning: Cannot modify header information – headers already sent by (output started at /home/surtradi/public_html/wp-includes/functions.php:3622) in /home/surtradi/public_html/wp-includes/pluggable.php on line 1207

Please help me, yes I pay any amount, no matter, they say.