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Hi im not very good in drupal and programming. i have problem with drupal spam challenge ( captcha, recaptcha and mollom ) i put challenge to my register form.
My problem is all of this challenge is always disappear after an hour? i don't know what happening, but it will come back after clearing drupal configuration performance cache.
I use Standard Drupal caching. (Drupal 7.16) (Install profile Commerce Kickstart (commerce_kickstart-7.x-2.0-rc2)).
First i used captcha image then i got that problem,
Second I try to add reCAPTCHA and the same problem,
Last i used mollom but the same problem, always disappear after an hour. but it will come back after clearing drupal configuration performance cache.