Solution to MySQL 8.0 cannot start 3534

MySQL 8.0 service cannot be started

Recently encountered when starting the MySQL service in cmd :

MySQL service is starting
The MySQL service could not be started. The service did not report any errors. Please type NET HELPMSG 3534 for more help.

or

When starting the mysql service in this computer-management-services and applications-services

First, let’s explain the most important solution.

Just go find the error message yourself! Although the content on CSDN is very good, there are many reasons why MySQL errors occur. You need to find your own error information.

For example, I just started using MySQL.
If this problem occurs, find a solution on CSDN.
Then I tried many methods, but none of them could solve the problem.

(This took about three or four hours in total. I was originally learning JDBC, which was very demanding on the patience of a beginner.)

Later, I saw a file with the suffix **.err**, and in this file I saw the [error] code.
(I didn't really care about it, but suddenly I found an error message in it)

Try to translate it later to find the problem

Unknown suffix ' ' used for variable 'port' (value '3306 default-character-set=utf8 [WinMySQLAdmin] Server=D:\MySQL\bin\mysqld.exe').

Unknown suffix "" for variable "port" (value "3306 default character set=utf

I found that there was a problem with my my.ini file

The code above the picture is correct. The code below is wrong. This [WinMySQLAdmin] Server=D:\MySQL\bin\mysqld.exe
That is the Unknown suffix in the error.

Then modify the my.ini file and run cmd with administrator privileges
Enter the MySQL\bin directory and run net start mysql


To sum up, beginners must learn to use error codes to find specific errors.
Don't try to imitate others blindly, because things on the Internet are time-sensitive and may no longer be useful after a while.
At the same time, we also need to consider issues such as versions, as there are many influencing factors.

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