I’m having the same error.
Secureimage PHP Requirements Test
This script will test your PHP installation to see if (Secureimage) CAPTCHA will run on your server.
Note: If you see any errors or warnings at the top of the page, especially “Warning: session_start…”, they could be indicating a problem with your PHP server that will prevent the CAPTCHA from working.
PHP Version: 5.1.6
GD Support: Yes!
GD Version: bundled (2.0.28 compatible)
TTF Support (FreeType): Yes!
JPEG Support: Yes!
PNG Support: Yes!
GIF Read Support: Yes!
GIF Create Support: Yes!
Since you can see this…
Try the PHP Requirements Test again
Try the Cookie Test
Try the CAPTCHA Test
PHP Scripts by Mike Challis
Free PHP Scripts
Donate, even small amounts are appreciated
Contact me: (Mike Challis)
I will need to know this information: (fill in this information on my contact form)
Plugin: SI CAPTCHA for WordPress
Plugin Version: 1.7.12
Your web site URL: https://joannejacobs.net/
Problem you are having: Same CAPTCHA cookie error.
POSSIBLE CONFLICT: Better Tag Cloud plugin version 0.6.4.