The following error occured:These Qt version are inaccessible: qt in **

安装过qt

打开vs2008会提示：

The following error occured:
These Qt version are inaccessible:
qt in D:\Qt
Make sure that you have read access to all files in your Qt directories.

1.method1：

1、卸载当前qt

2、打开注册表，搜索所有与包含Qt的项目，发现是Qt的注册表值，全部删掉

3、重新安装qt

2.mehtod2：

你的qt-vs-addin版本不兼容当前qt库，去官网下载合适的版本

or：youqt-vs-addin is not ok for this qt ,get a new one

http://qt.nokia.com/title-cn/

其他参考文章：

http://www.qtforum.org/article/28116/installing-qt-4-5-2-on-windows.html

http://stackoverflow.com/questions/1443905/trouble-using-qt-with-visual-studio

http://www.qtcentre.org/archive/index.php/t-21659.html

http://hi.baidu.com/%C8%D5%D4%C2%B5%B6%BF%CD/blog/item/42aba71fb352c7e9e0fe0bba.html