I have tried all the option I saw on google, all to no avail, my masters what do you guys suggest?

Hover over Settings, and select Permalinks. Scroll down to the bottom of the page, and click Save Changes. Open your website in your browser. If the 500 internal server error is gone, it was caused by a corrupted .htaccess file and your issue is now fixed.

Else >>> http://www.wpbeginner.com/wp-tutorials/how-to-fix-the-internal-server-error-in-wordpress/

emmanuelike:
I have tried all the option I saw on google, all to no avail, my masters what do you guys suggest?

replace you .htaccess file with a new one.
If you need more help join the webmasters community @www.nct.com.ng

fattbabakay:
Hover over Settings, and select Permalinks. Scroll down to the bottom of the page, and click Save Changes. Open your website in your browser. If the 500 internal server error is gone, it was caused by a corrupted .htaccess file and your issue is now fixed.

Else >>> http://www.wpbeginner.com/wp-tutorials/how-to-fix-the-internal-server-error-in-wordpress/

even the login page shows that error. www.Curtis engineering.net/wp-admin

emmanuelike:


even the login page shows that error. www.Curtis engineering.net/wp-admin

Just enter FTP and rename the plugin folder, that's the most suspected solution right now.

fattbabakay:
Just enter FTP and rename the plugin folder, that's the most suspected solution right now.

thanks, will try it tomorrow