“E: The list of sources could not be read.” while trying to update
249
How do I fix this "E: Type '*' is not known on line * in source list ..." update error?
135985
Apt-get saying "Unable to correct problems, you have held broken packages."
72695
Can't connect to Windows Update
64744
Restarted computer during update; "the system network service is not compatible with this version"
28650
`apt-get update` cannot find Ubuntu servers
132933
Is there a tool to update my PPA sources.list entries after upgrading?
144507
No facility exists in Update Manager to upgrade to a new version, why?
76905
Failure [INSTALL_FAILED_ALREADY_EXISTS] when I tried to update my application
129101
Upgrading Ubuntu 9.04 to 9.10 when Update Manager doesn't let you
58931
16.04 Upgrade: Failed to fetch Empty files can't be valid archives
48809
"The upgrade has aborted" error, how to proceed?
24603
apt-get upgrade gives "403 forbidden" error
11039
Invalid filename extension in apt sources.list
90937
apt-get update errors
115722
Apt sources.list problem , packages not found?
32922
cannot update unless on one network
97771
"The package lists or status file could not be parsed or opened"