How to uninstall PHP 4 on Plesk Onyx 17.8 for Windows

Posted on by Farooq Omer

After upgrading Plesk to Onyx 17.8, PHP 4 was no longer available for deletion in Plesk Installer. To uninstall PHP 4 on Plesk Onyx 17.8 follow the steps given below:

  1. Connect to a Plesk server via RDP.
  2. Start a command prompt as an Administrator and run the command
  3. msiexec /x {A8A9FE13-E0F6-4584-8F22-8E6E8AF4DFC3}<
  4. Click “Yes” in the confirmation window.
  5. Once the uninstallation is completed, in Plesk go to Tools & Settings > Server Components and click Refresh.