How can I fix this update Issue?
133
How can I fix a 404 Error when using a PPA or updating my package lists?
42634
How do I upgrade to the development release (aka. Ubuntu+1)?
76598
Play Store Downloading of Updates Stuck part way through download
46969
Ubuntu fix dependency problems
53099
How to fix "-5 No address associated with hostname error" while updating?
73604
Problems with amsmath
48809
"The upgrade has aborted" error, how to proceed?
73640
App  isn't working correctly. How can I fix it?
55818
Same update keeps showing up everyday
36696
Unmet dependencies unable to fix
48429
How do I fix my locale issue?
149428
How do I refresh the package list?
30068
Update: Failed to lock /var/cache/apt/archives/lock
128471
How do I update from 9.0.10 to 9.1.0?
64509
Can't update from official repositories [Error 409]
150359
Theme showing incorrect update
8870
To update or to not update?