Problem: If you're experiencing a looping issue even after deactivating all plugins except WPML, and it seems to loop faster, the problem might be related to your .htaccess file. Solution: We recommend generating the default WordPress .htaccess file and replacing the current one with it. This change might resolve the looping issue. If the default .htaccess file resolves the issue, you should then update or modify the needed mod_headers rules accordingly.
Please note that this solution might be irrelevant if it's outdated or not applicable to your case. We highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent fix, and confirming that you have installed the latest versions of themes and plugins. If the issue persists, please open a new support ticket at WPML support forum for further assistance.