Software update not working Ubuntu 20.04
2694
How do I remove a malformed line from my sources.list?
8353
How do I access my software updater if it doesn't display anywhere?
121201
Why can't I update applications without upgrading the whole OS?
46424
Cannot update software center repositories
126740
Software & Updates crashes and will not open
112432
Software Center not Opening at all Error
104536
Windows update not working in VirtualBox
72082
Is using Software Updater the same thing as running apt-get update and apt-get upgrade?
147700
Samsung Galaxy S4 SCH-I545 official updates via Kies fails with: "Software update is temporarily unavailable. Try again later."
28650
`apt-get update` cannot find Ubuntu servers
148872
I can't select updates in Update Manager
26387
After Upgrade to Ubuntu 20.04: "Oh no! Something went wrong"
13970
Why am I not getting the Ubuntu 18.04 upgrade?
5242
How to update software installed via .deb file
24165
Upgrade to version newer than repositories
249
How do I fix this "E: Type '*' is not known on line * in source list ..." update error?
129101
Upgrading Ubuntu 9.04 to 9.10 when Update Manager doesn't let you