What do you mean, 'you did something to the privilages, that you cannot chnage back'?
Do you still have access to the 'root' userid? That account can do anything as it is the Super User.
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(Windows 10 Pro 64bit) (Wampserver 3.3.4 64bit) Aestan Tray Menu 3.2.5.4
<Apache versions MULTIPE> <PHP versions MULTIPLE> <MySQL Versions MULTIPLE>
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MySQL --
PHP --
phpMyAdminGet your Apache/MySQL/mariaDB/PHP ADDONs here from the
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Backup your databases regularly Here is How dont regret it later! Yes even when developing -X-X-X-