问题:安装新版本wordlpress的时候遇到如下问题， 

Zend Guard Run-time support missing!

  One more more files on this web site were encoded by ZendGuard and the required run-time support is not installed orproperly configured.
For the Web site user

    This means that this Web server is not configured correctly to runthe files that it contains. Please contact the Web site'sadministrator/webmaster and inform them of this problem and give themthe URL you are trying to display to help them in diagnosing theproblem.
For The Site Administrator/Web Master
    One or more files on your site were encoded with Zend Guard. Thismay be third party libraries that were provided to you by an ISV. Toallow these files to properly run you need to download and installone of the Zend guard run-time libraries. This is either ZendOptimizer or Zend Loader. The proper files can be downloaded fromhttp://www.zend.com/guard/downloads.This software is provided free of charge.
    General Disclaimer: Zend Technologies is not responsible tothe configuration and setup of web sites using Zend Guard technology.Please contact your software vendor if these components were providedby an ISV or consult your Zend Guard Users Guide if these files wereencoded by your organization.

解决办法：

下载ZendGuardLoader-php-5.3-linux-glibc23-x86_64.tar.gz见附件(试了几下附件没有上传成功，大家可把这个文件名放在百度里搜下会有很多)，

解决文件：

ZendGuardLoader-php-5.3-linux-glibc23-x86_64
|-- README.txt
`-- php-5.3.x
    `-- ZendGuardLoader.so

把ZendGuardLoader.so这个文件复制到/usr/local/lib目录下,(没有相应的目录请创建)

然后找到php.ini所对应的配置文件，我的是在/etc/php.ini

在最后一行添加

zend_extension = /usr/local/lib/ZendGuardLoader.so

保存，之后重启php

/etc/init.d/php-fpm restart

再去试一下就OK了，我的php版本是5.3的哟，你的可能要去找相应的ZendGuardLoader这个版本的文件