Sudo Apt-Get Update Not Working [Duplicate]

Name: Sudo Apt-Get Update Not Working [Duplicate]
Uploaded: 2026-10-05T03:20:27+00:00
Duration: 14 min 46 s
Description: Err Utopic/Main Amd64 Packages 404 Not Found Get:63 Utopic/Universe Sources [6,736 kB] Err Utopic/Main I386 Packages 404 Not Found W: Failed to Fetch 404 Not...

Question

Err  utopic/main amd64 Packages                        
  404  Not Found
Get:63  utopic/universe Sources [6,736 kB]         
Err  utopic/main i386 Packages                         
  404  Not Found

W: Failed to fetch   404  Not Found

W: Failed to fetch   404  Not Found

E: Some index files failed to download. They have been ignored, or old ones used instead.

What to do in this case ??

Accepted Answer

Follow following steps

First Backup your old sources.list, mv /etc/apt/sources.list /etc/apt/sources.list.back
Check your OS version, Release

lsb_release -r
Go to
Select Country
Select Ubuntu Release
Select Your choice. Important is first 12 and choose whatever you require
Generate new sources list
Open your editor like vi or vim

vim /etc/apt/sources.list
Save the file
Retry with sudo apt-get update

Sudo Apt-Get Update Not Working [Duplicate]

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1 Answer

Robert Thorne