Her işlemde hata alıyorum

[Bekirs]

Merhabalar Uçbirim de yaptığım bütün işlemlerde şu hatayı alıyorum acaba sorun nedir ? ve çözümü nasıldır.

Kod Seç Genişlet

N: Ignoring file 'noobslab-themes-quantal.list.save' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'ubuntu-wine-ppa-quantal.list.save' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'google-chrome.list.save' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'webupd8team-themes-quantal.list.save' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension


[bytan]

Sağ üst köşede araman gereken ifade:

N: Ignoring file