In this article, we will see how to fix "Error: MySQL shutdown unexpectedly" in XAMPP. When I open XAMPP and click on the MySQL service in windows 11 and it gives errors. One of the most common causes of the XAMPP error “MySQL shutdown unexpectedly” is another software using the port assigned to MySQL. By default, it tends to be 3306.

    In addition to that, there have been solutions surfacing on the internet where users are asked to delete the ibdata1 file inside the MySQL directory. The ibdata1 file is basically the system tablespace for the MySQL storage engine known as InnoDB. While deleting this file may fix the issue in certain cases, it is also very likely that it can make your database unusable. Therefore, it isn’t really recommended unless you do not care about the data that is stored in your database.

    Error: MySQL shutdown unexpectedly XAMPP Control Panel v3.3.0

    So, let's see how to solve the error MySQL shutdown unexpectedly in XAMPP, XAMPP MySQL not starting, MySQL port blocked XAMPP.

    you will have to use the backup files that are stored in the backup folder of the MySQL directory. This is included in the XAMPP folder. we will be simply replacing the contents of the data folder inside the MySQL directory with the contents of the backup folder.

    1. close the XAMPP web server completely.

    2. Once you have closed the web server, navigate to the folder where XAMPP is installed. By default, you will find XAMPP at "C:\xampp" for windows users. Inside the XAMPP folder, open up the mysql folder.

    3. Now, in the mysql folder, locate the data folder and rename it to data_old.

    4. Make a copy of the backup folder and name it as data.

    5. Copy all your database folders from data_old into data (except mysql, performance_schema, and phpmyadmin folders)

    6. Copy data_old/ibdata1 file into the data folder.

    7. Start MySQL from the XAMPP control panel.

    Output:

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