If your Wordfence is not updating to newer version properly due to “Could not copy file” error, try deleting the leftover folder “wordfence.tmp” from /path-to-webroot/wp-content/upgrade/wordfence.tmp, then try again.
If your Wordfence is not updating to newer version properly due to “Could not copy file” error, try deleting the leftover folder “wordfence.tmp” from /path-to-webroot/wp-content/upgrade/wordfence.tmp, then try again.