The following packages have unmet dependence:
openmedivault-virtualbox : Depends : linux-headers-686-pae but is not installable or linux-headers-amd64 but is not going to be installed
E: Unable to correct problems, you have held broken packages.
<<< ***************************************************
OMV 3.0.64
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apt update
(...)
W: Fehlschlag beim Holen von http://security.debian.org/dis…dates/main/source/Sources 404 Not Found [IP: 195.20.242.89 80]
W: Fehlschlag beim Holen von http://security.debian.org/dis…s/non-free/source/Sources 404 Not Found [IP: 195.20.242.89 80]
W: Fehlschlag beim Holen von http://security.debian.org/dis…es/contrib/source/Sources 404 Not Found [IP: 195.20.242.89 80]
W: Fehlschlag beim Holen von http://security.debian.org/dis…ain/binary-amd64/Packages 404 Not Found [IP: 195.20.242.89 80]
W: Fehlschlag beim Holen von http://security.debian.org/dis…ree/binary-amd64/Packages 404 Not Found [IP: 195.20.242.89 80]
W: Fehlschlag beim Holen von http://security.debian.org/dis…rib/binary-amd64/Packages 404 Not Found [IP: 195.20.242.89 80]
E: Einige Indexdateien konnten nicht heruntergeladen werden. Sie wurden ignoriert oder alte an ihrer Stelle benutzt.
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/etc/apt/Sources.list:
#
# deb cdrom:[Debian GNU/Linux 8 _Jessie_ - Official Snapshot amd64 LIVE/INSTALL Binary 20161229-12:48]/ jessie contrib main non-free
#deb cdrom:[Debian GNU/Linux 8 _Jessie_ - Official Snapshot amd64 LIVE/INSTALL Binary 20161229-12:48]/ jessie contrib main non-free
deb http://ftp.informatik.rwth-aachen.de/ftp/pub/Linux/debian/ jessie main non-free contrib
deb-src http://ftp.informatik.rwth-aachen.de/ftp/pub/Linux/debian/ jessie main non-free contrib
deb http://security.debian.org/ jessie/updates main contrib non-free
deb-src http://security.debian.org/ jessie/updates main contrib non-free
# jessie-updates, previously known as 'volatile'
deb http://ftp.informatik.rwth-aachen.de/ftp/pub/Linux/debian/ jessie-updates main contrib non-free
deb-src http://ftp.informatik.rwth-aachen.de/ftp/pub/Linux/debian/ jessie-updates main contrib non-free
deb http://security.debian.org/ jessie-updates main non-free contrib
deb-src http://security.debian.org/ jessie-updates main non-free contrib
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What is wrong (I researched and tried and a lot, bit anything helped)
Thank You, Peter