I believe I upgraded this plug-in yesterday now I am unable to login to our site (http://fortirwinfmwr.com/wp-admin/). The Captcha image doesn't show. It's just blank (no red X). I right-clicked, "View Image" and below is the error messages I received. Please Help! Thank you!
URL: http://fortirwinfmwr.com/
Warning: Failed to load GD Font file /home/fortirwi/public_html/wp-content/plugins/si-captcha-for-wordpress/captcha/gdfonts/bubblebath.gdf in /home/fortirwi/public_html/wp-content/plugins/si-captcha-for-wordpress/captcha/securimage.php on line 670
Warning: Cannot modify header information - headers already sent by (output started at /home/fortirwi/public_html/wp-content/plugins/si-captcha-for-wordpress/captcha/securimage.php:670) in /home/fortirwi/public_html/wp-content/plugins/si-captcha-for-wordpress/captcha/securimage.php on line 873