贴上log
Beginning configuration step: Stopping Server [if necessary]
Ended configuration step: Stopping Server [if necessary]
Beginning configuration step: Writing configuration file
Ended configuration step: Writing configuration file
Beginning configuration step: Updating firewall
Adding firewall rule for MySQL57 on port 3306.
Successfully added firewall rule.
Ended configuration step: Updating firewall
Beginning configuration step: Adjusting Windows service [if necessary]
Attempting to grant Network Service require filesystem permissions.
Granted permissions.
Adding new service
New service added
Ended configuration step: Adjusting Windows service [if necessary]
Beginning configuration step: Initializing Database [if necessary]
Deleting Data folder shipped
Attempting to run MySQL Server with --Initialize-insecure
Running process: C:\Program Files\MySQL\MySQL Server 5.7\bin\mysqld.exe --defaults-file="C:\Documents and Settings\All Users\Application Data\MySQL\MySQL Server 5.7\my.ini" --initialize-insecure=on --console
The attempt to initialize the database Failed
Ended configuration step: Initializing Database [if necessary]
Beginning configuration step: Starting Server
Starting MySQL as a service
Cannot start service MySQL57 on computer '.'.
Ended configuration step: Starting Server
服务里面启动mysql时不能启动,并提示193:0xcl
问题解决了，不一一回复了。
在启动mysqld时，系统提示"不是有效的win32位程序"，于是在xp系统上换装低版本mysql5.5（win7可装5.7），安装成功。
照正常安装再来一次，当卡到这步时，按如下操作：
找到MySQL服务，右键点击，选择属性，在"登录"下选择本地系统帐户，选择"允许服务与桌面交互"，然后点击应用。
http://blog.csdn.net/chengliang0315/article/details/55103339
看看这个能不能帮到你
删除，重装，重装之前清除注册信息
靠谱，解决了我的问题