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Hi Patrick thanks for your prompt reply, I consider that´s the best option. Thanks for your advice!

Thanks for dropping by Linda, You are right, my moz profile page has came back to some sort of normality, not the same PA but similar, I believe this "relatively small change in PA" is due to what Rand, Patrick and Matt have explained referring to "mozscape update issue".  Actually I placed a form in the moz help desk and Sean´s answer was the following: "Thanks for writing us and it does appear to be quite a mystery. While we do not seem to be able to determine the reason for this particular disappearance..." and they didn´t see any links at all in my profile which refering to links, it appeared as empty!. As a matter of fact I couldn´t fill them "again" as for me, they where perfectly correct and seen in my own profile. Anyway, things are more or less back to where they had been before. Thanks for all your replies, I believe it was some sort of a mistery, and will remain as a mistery... Regards from sunny southern Spain.