XAMPP

Roll back to the old version of MySQL at XAMPP(files included old versions of XAMPP)

Modify the configuration of MySQL(optional)

modify the path of basedir, datadir, Server in %windir%\my.ini

[mysqld]
basedir=C:/mysql_old
datadir=C:/mysql_old/data

[WinMySQLadmin]
Server=C:/mysql_old/bin/mysqld-nt.exe

Modify the path of MySQL service

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\mysql\ImagePath

• original: "C:\Program Files\xampp\mysql\bin\mysqld-nt.exe" "--defaults-file=C:\Program Files\xampp\mysql\bin\my.cnf" mysql
• old version: "C:\mysql_old\bin\mysqld-nt.exe" "--defaults-file=C:\mysql_old\bin\my.cnf" mysql

restart the MySQL service

Troubleshottings

• Could not link to the localhost after executed the xampp_start.exe! [XAMPP Lite 1.6.3a]
  • Check the port (execute the file: xampp-portcheck.exe )! Port 80 was occupied by some softwares, such as
    • Skype
    • Gladinet Cloud Desktop
  • Check the AntiVirus software (ex: Pause the Nod32) and security settings!

• Could not launch xampp (xampp_start.exe) after moved the xampp files to new file location [XAMPP Lite 1.7.3]
  • solution: execute the file: setup_xampp.bat to relocate the xampp