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1, the Control Panel in the increase in the removal program to delete
2, delete the My.ini file under the MySQL folder, if the backup is good, you can delete all folders directly
3, start-to-run, regedit look at the registration table these places delete No
Hkey_local_machine\system\controlset001\services\eventlog\application\mysql Directory Removal
Hkey_local_machine\system\controlset002\services\eventlog\application\mysql Directory Removal
Hkey_local_machine\system\currentcontrolset\services\eventlog\application\mysql Directory Delete (I did not find the uninstall time, slightly later still achieve the purpose of full uninstall.) )
4, this article is very important
C:\Documents and Settings\All Users\Application Data\mysql
There are also MySQL files that have to be removed
Note: Application Data This folder is hidden, need to open a folder to select menu bar tools → folder Options → view → hidden files and folders an option to show all files and folders ok
4 steps above, restart ok! Install it again.
======= Uninstalling the Windows service:
The administrator runs the cmd, sc Delete service name.
MySQL Uninstall completely