your code is too good.
but its working only on local host.
when i upload my files on server,it didn't show captcha image.
can u plz help me to solve this problem.
Try Adding the following in web.config
<add name="CaptchaImage" verb="GET" path="CaptchaImage.axd" type="MSCaptcha.CaptchaImageHandler, MSCaptcha"/>
And remove the line which you already have
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