Are you having issues logging into Pear with Facebook? The issue may be that you have a script-blocker (like Ad Block or other anti-popup blockers) installed in your browser.
In order to remedy this problem, determine what script-blocker you have, and then whitelist our website (pearup.com) through the extension or website directly. Check out this helpful video on how to whitelist a website on Adblock.
Any questions at all, let us know at email@example.com.