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miksi nettiosoite riville tulee alkuun musta lukko ja miten sen saa pois että pääsen taas ko. sivulle?

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käytin facebookia ihan normaalisti vielä eilen aamulla mutta myöhemmin kun olin menossa uudestaan niin en päässyt.. tuli vain musta lukko osoiteriville.. ei tule mitään tekstiä edes näyttöön, jää valkoiseksi muut sivut toimivat normaalisti..

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cor-el
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