Reinstall MySQL under Windows

in the installation MySQL after how to perfect uninstall MySQL Database

A series of problems occurred while uninstalling MySQL reinstall, unable to pass the software check, which prevented the installation

Reinstalling the system is the best approach, but many conditions will not allow

In fact, the main uninstall is not a complete uninstall caused by the following list of how to completely uninstall MySQL method

< Span style= "margin:0px;" >1. &NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP; delete in the add-in in Control Panel

< Span style= "margin:0px;" >2. &NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP; delete mysql Span style= "margin:0px;font-family: ' The song Body '; > my.ini file, if the backup is good, you can delete all folders directly

< Span style= "margin:0px;" >3. &NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP; start running regedit look at these places in the registry have you removed the

hkey_local_machine\system\controlset001\services\eventlog\ Application\mysql directory delete &NBSP;

Hkey_local_machine\system\controlset002\services\eventlog\application\mysql directory deletion
hkey_local_machine\system\currentcontrolset\services\eventlog\application\mysql Directory deletion

If the above file is not found in the skip, find the Delete

4. This is a very important piece .

C:\Documentsand Settings\All Users\Application Data\mysql  

and here's aMySQLthe file that must be deleted

Note:Application DataThis folder is hidden, you need to open a folder to select the menu barTools→Folder Options→View→Hide files and foldersone option. Show all files and folders Determine 

If not found can enter the above address directly in My Computer navigation bar to find

above 4 step complete, reboot OK ! Install it again.

Reinstall MySQL under Windows