安装 magento PHP extension "curl" must be loaded.
主要是因为5.4.3的curl.dll的问题导致,替换为新的版本就ok
http://vdisk.weibo.com/s/oHnJB
http://forum.wampserver.com/read.php?2,85716
Go to [www.anindya.com] download *php_curl-5.4.3-VC9-x64.zip* under "Fixed curl extensions:" and replace the php_curl.dll in ext folder. This worked for me.