Hi, I am using 10 private proxies, a VPS, 1 connection for the harvester, and am only getting this error in my Errorlogs folder. The error is the same when I use google instead of yahoo, just the URL's are different obviously, but same error "411 Length Required" 3/16/2015 7:50:06 PM: HTTP: 411 Length Required, SOCKET: , URL: http://search.yahoo.com/search?p=cool+games&ei=UTF-8&fr=yfp-t-501&xargs=0&b=1&n=100 Proxy: blanked I have imported the latest harvester engines from the SB server by the way. I have emailed support, but if someone can help me out with this on here before they respond, I'd appreciate it, because right now SB is kind of useless for me without being able to harvest from google or yahoo. P.S. All my proxies are passing the Google test in the Proxy Manager. EDIT: Removing the Google and Yahoo engines, then re-downloading the latest harvester engines from SB server seems too have fixed it.