Error

Hello,

I’m sorry to hear that you are facing an issue while updating your Rank Math Pro plugin in WordPress. 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” usually occurs due to a few reasons:

1. There might be an issue with the zip file you are trying to upload.
2. You are attempting to update the PRO version while connected to the free account on your website.
3. Your web server may not have enough memory to unzip and upload the zip file contents.
4. If your server is located in a sanctioned country, your requests might be blocked.

To resolve this issue, you can follow the steps outlined in our knowledge base article on how to fix the “PCLZIP_ERR_BAD_FORMAT (-10): Unable to find End of Central Dir Record signature” error here.

If you encounter any difficulties or need further assistance, please feel free to reach out to our support team directly here, and they will be more than happy to assist you.

Thank you for bringing this to our attention.

Sources:
How to Fix PCLZIP_ERR_BAD_FORMAT (-10): Unable to find End of Central Dir Record signature » Rank Math
Fatal Error Happening on Some Installations After 1.0.49 Update » Rank Math
How to Fix ‘Automatic Update is Unavailable for this Plugin’ Error in Rank Math » Rank Math