Hello, i receive twice a day an email from my blog with subject: "Preload may have stalled" and in the text i receive:"Preload has been restarted.
http://myblog.es/wp-admin/options-general.php?page=wpsupercache"
I do a test cache and everything is fine, but this happen almost every day.
I don't now what it is...
(I'm not English, so sorry for any mistake)
Thank You!... if somebody knows what is it about?