Validation Errors & Mysterious CAPTCHA

I had a user report an error with our checkout page. They had filled in all the appropriate fields, yet when they went to pay, they were asked to type in the characters to prove they were human. The problem with that is I never added a CAPTCHA field into my Woocommerce checkout page. After doing a lot of searching and trying to replicate the bug, I found that the error only occurred in Internet Explorer and on older versions of Windows (XP & 7 OS).

Furthermore, I found that something was generating a “validation error” message independent of the standard Woocommerce messages. The element was labeled “wcpgsk-dialog-validation-errors”, which I traced back to this (excellent!) plugin. I’m able to disable this ‘validation-error’ element with CSS, but my concern is that the CAPTCHA will mysteriously appear for some users. I tried poking around in your plugin files but couldn’t find anything that I could hack to block CAPTCHA.

Any suggestions?

https://www.ads-software.com/plugins/woocommerce-poor-guys-swiss-knife/