Waste a lot of time to solve the installation process problems, it is disgusting, the final conclusion is that most of the error reason is because two times the installation is not clean;
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1. Uninstall:
???? uninstalling MySQL server!
???? Delete the My.ini file and all files under the MySQL folder
???? Run the "regedit" file, open the registry
???????? Delete Hkey_local_machine\system\controlset001\services\eventlog\application\mysql folder
???????? Delete the Hkey_local_machine\system\controlset002\services\eventlog\application\mysql folder.
???????? Delete "C:\ProgramData\MySQL" under C-drive so file
???? Re-install MySQL
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2, if it fails to unload completely, there will be 3306 ports that may be occupied:
???? Netstat-nao |findstr "3306" View 3306 occupancy, process PID
???? tasklist | findstr "1176"???? View process Information further
???? Taskkill | findstr "1176"???? Kill the seizure process
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MySQL Installation Experience