When MYSQL is installed, the following solution should be entered:
1. clear the installation directory of MYSQL. the default value is C:/Program Files.
2. clear the MYSQL Data storage directory, usually in the C:/Documents and Settings/All Users. windows/Application Data directory.
(Note that the Application Data folder is hidden by default. you can choose tools> Folder Options> View> Show all
File and folder to hide the file visibility ).
Delete a MySQL folder
3. this step is very important. no matter how I unmount MYSQL to clear the residual files, I still need to enter the original password. then I tried to find the registry and it was valid after clearing it.
Delete registry data and use regedit to delete the following files:
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