Behance does not support browsers that have third-party cookies disabled. Please re-enable this in your browser settings in order to use Behance. Some advertisers use these types of cookies to track your visits to the various websites on which they advertise. Disabling third-party cookies will block this kind of tracking. Unfortunately, this feature interferes with the way login on Behance works, so in order to use the logged in features of the site, you will need to re-enable them.
Please note that if you prefer to keep third party cookies enabled, you can add Adobe.com as an exception and you'll be able to login to the site. (Don't forget the * when adding an exception - common mistake!)
How to re-enable third-party cookies:
Click here for instructions
Tools --> Internet Options --> Privacy --> Advanced --> Override automatic cookie handling --> Accept button under "Third-Party Cookies."