After the MySQL database is detached, the MySQL registry information cannot be deleted. The following describes how to completely delete the MySQL registry information for your reference.
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When you uninstall the old MYSQL Database Service from your computer, stop the MYSQL service in the WINDOWS service first. Go to the add and delete programs in the control panel to delete the MYSQL service. However, if you cannot completely delete the MYSQL service, you must clear your MYSQL service in the registry.
There are several points:
1. Delete the HKEY_LOCAL_MACHINE \ SYSTEM \ ControlSet001 \ Services \ Eventlog \ Application \ MySQL directory.
2. Delete the HKEY_LOCAL_MACHINE \ SYSTEM \ ControlSet002 \ Services \ Eventlog \ Application \ MySQL directory.
3. Delete the HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services \ Eventlog \ Application \ MySQL directory.
In the MySQL registry, ControlSet001 and ControlSet002 are not necessarily 001 and 002. They may be ControlSet005 and 006. You can delete them when you delete them.
Check whether the my. ini file exists in the C: \ WINDOWS directory and delete it.
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