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Fixing XAMPP Errors with Essential Configurations

December 17, 2025 , ,
If you have or are developing your projects with tools & technologies like PHP, MySQL or MariaDB then you must have heard or might have already installed tools like XAMPP which basically packages multiple development tools in a single installer, so, that you can install these tools and technologies with a single click installer wizard instead of doing manual configurations or prerequisite software installations for each tool or technology. Despite of this convenience, you might have noticed some common errors right after XAMPP installation or in near future as your development progresses. The common errors include port 80 conflict, HTTP execution timeout, upload file size limit and MySQL large backup file import size limit error. These are common errors and I recommend that you do essential configurations to fix them right after installing XAMPP tool on your machine.

Today, I shall demonstrate essential configurations for fixing XAMPP tool common errors like port 80 conflict, HTTP execution timeout, upload file size limit and MqSQL large backup file import size limit.

 


Prerequisites:

Before proceeding any further in this article, following are some of the many prerequisites for this article:
  1. Download & Install XAMPP tool.
  2. Knowledge of XAMPP control panel.
  3. Knowledge of MySQL. 

Let's begin now.

1) First step is to download and install XAMPP tool from its official website at your target location if not already installed.

 
2) In the next step, to fix port 80 conflict error, open "D:\xampp\apache\conf\httpd.conf" file and update following properties with your target port number and save the changes i.e.
 
 


 
3) Now, to fix HTTP execution timeout error. First open "D:\xampp\phpMyAdmin\libraries\config.default.php" file and change the value of the following property to 0 and save the changes i.e.
 
 

 
Then open "D:\xampp\php\php.ini" file and change the value of following properties and then save the changes i.e.

 

  
 
4) Next, to fix upload file size limit issue, open "D:\xampp\php\php.ini" file and change the values of the following properties and then save the changes i.e.




5) To fix MySQL large backup file import size limit error, open "D:\xampp\mysql\bin\my.ini" file and change the value of following property both under "[mysqld]" & "[mysqldump]" attributes and then save the changes i.e. 
 


6) Now open the XAMPP control panel and start the Apache server and MySQL server, you will be able to successfully start both of them and as your development progresses you won't encounter these kind of errors and if so then change the values of these properties as you see fit:
  



  

Conclusion

In this article, you will learn to do essential configurations of XAMPP tool in order to fix common errors like port 80 conflict, HTTP execution timeout, upload file size limit and MqSQL large backup file import size limit. You will learn to configure fix for port 80 conflict error. You will also learn to configure fix for HTTP execution timeout error along with configuration to fix upload file size limit error. Finally, you will learn to configure fix for MySQL large backup file import size limit error and will be able to successfully start both Apache server and MySQL server.
 

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