Hello,
I’m sorry to hear that you are facing an issue while updating the plugin, and you’re seeing the error message “Update failed: The package could not be installed. PCLZIP_ERR_BAD_FORMAT (-10) : Unable to find End of Central Dir Record signature.”
This error usually occurs due to a few reasons, such as issues with the zip file, updating the PRO version while connected to the free account, or not having enough memory on the webserver to unzip and upload the file contents.
To resolve this issue, you can follow the steps outlined in our knowledgebase article on how to fix the PCLZIP_ERR_BAD_FORMAT (-10) error. You can access the article here.
If you have any further questions or need assistance, please feel free to reply here, and a support expert will assist you promptly.
Thank you for reaching out to us!
Sources:
How to Fix PCLZIP_ERR_BAD_FORMAT (-10): Unable to find End of Central Dir Record signature » Rank Math
How to Fix ‘Automatic Update is Unavailable for this Plugin’ Error in Rank Math » Rank Math
How to Install Rank Math Using an FTP Client on Your WordPress Website
Installing Rank Math Plugin Through the WordPress Admin Panel
This is an automated reply from Rank Math Support Bot. If you need further assistance, please reply to this topic and a human support agent will reply to you shortly.
Hello,
Since we did not hear back from you for 15 days, we are assuming that you found the solution. We are closing this support ticket.
If you still need assistance or any other help, please feel free to open a new support ticket, and we will be more than happy to assist.
Thank you.
