I never managed to actually figure out why it was happening other than what's mentioned in the previous posts in this thread.Did you ever get this resolved.
I have had PayPal working great on my site for some time, and now I just got an email exactly like yours.
I went to PayPal and found this,
View attachment 195226
I don't recall EVER going to this page before and changing anything or entering a URL (which is not to say I didn't but I may have just forgotten since then...).
Yep, same with mine.This happens to me as well every few months abd I basically have to go in and keep it enabled. Weird though because the address has stayed the same...