安装Wordpress无法访问安装页面！

之前在虚机成功安装了phpwind，然后想试试Wordpress，就把htdoc清空了。下载解压上传了Wordpress之后，竟然无法访问安装页面，提示500 internal server error.. 哪位大神能解答一下这什么问题？我已经重新解压重新上传两次，都没用。数据库也已经清空了。域名forwardlabs.cn 谢谢




错误页面：


Internal Server Error


The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator, webmaster@bxu2355590384.my3w.com and inform them of the time the error occurred, and anything you might have done that may have caused the error.
More information about this error may be available in the server error log.