Continuous pop ups in Macbook pro

[whatmac]

Hi Folks!

I m a happy user of a Macbook pro, the last version with DVD slot. Despite of I m running on the version 10.9.5, it always has been working fantastic.

Currently I m experiencing continuous pop ups when surfing in the internet saying that Safari can t identify the identity of the web "stags.bluekai.com" It does not matter what website is loaded, its always the same message. The mac is protected with Avira antivirus, so I really don't understand..

Is someone experiencing the same? any advice?

Thanks!

 

[chown33]

See here, for example:
https://forums.macrumors.com/threads/os-x-upgrade-help-request-for-2011-mbp.2121153/#post-26165040

 

[whatmac]

See here, for example:
https://forums.macrumors.com/threads/os-x-upgrade-help-request-for-2011-mbp.2121153/#post-26165040

Thanks a lot man! it s exactly what I was looking for...