Hello,
We apologize for the issue you are facing with the Rank Math update. The error message you are encountering, PCLZIP_ERR_BAD_FORMAT (-10)
, typically indicates that there is a problem with the downloaded plugin package, which may be corrupted or incomplete.
Here are some steps you can take to resolve this issue:
-
Download Rank Math PRO Manually: Go to your Rank Math account area and download the latest version of Rank Math PRO.

-
Upload the Plugin to WordPress:
- Navigate to your WordPress dashboard and go to Plugins → Add New.
- Click on Upload Plugin and select the downloaded Rank Math PRO file.

- Click on Install Now and then choose Replace current with uploaded if prompted.

-
Check for Compatibility Issues: Ensure that your WordPress version is up to date and compatible with the latest version of Rank Math. Also, check if there are any other plugins that might be conflicting with Rank Math.
If you continue to experience issues after following these steps, please reply to this ticket with your site URL, and a human agent from our support team will assist you further. Thank you for raising this concern!
Sources:
How to Update Rank Math Manually » Rank Math
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.