Purchase from main account gave .list permission denied errors for newly created administrator account

[jhfhlkjlj]

I received this error:

>An unresolvable problem occurred while initializing the package information.
>
>Please report this bug against the 'update-manager' package and include the following error message:
>
>'E:Opening /etc/apt/sources.list.d/private-ppa.launchpad.net_commercial-ppa-uploaders_braid_ubuntu.list - ifstream::ifstream (13: Permission denied)'

My main account has bought Braid (among other items). I have set up another account for a friend to use this machine just yesterday and I have now received this error while on the new account.

Here are the permissions of my /etc/apt/sources.list.d folder (among my manually added PPAs)

-rw-r----- 1 root admin 0 Jan 25 02:01 private-ppa.launchpad.net_commercial-ppa-uploaders_braid_ubuntu.list
-rw-r----- 1 root root 183 Jan 25 02:01 private-ppa.launchpad.net_commercial-ppa-uploaders_braid_ubuntu.list.save
-rw-r----- 1 root admin 0 Jan 25 02:01 private-ppa.launchpad.net_commercial-ppa-uploaders_brukkon_ubuntu.list
-rw-r----- 1 root root 186 Jan 25 02:01 private-ppa.launchpad.net_commercial-ppa-uploaders_brukkon_ubuntu.list.save
-rw-r--r-- 1 root root 164 May 22 23:09 private-ppa.launchpad.net_commercial-ppa-uploaders_steel-storm2_ubuntu.list
-rw-r--r-- 1 root root 164 May 22 23:09 private-ppa.launchpad.net_commercial-ppa-uploaders_steel-storm2_ubuntu.list.save
-rw-r----- 1 root admin 0 Jan 25 02:01 private-ppa.launchpad.net_commercial-ppa-uploaders_uplink_ubuntu.list
-rw-r----- 1 root root 185 Jan 25 02:01 private-ppa.launchpad.net_commercial-ppa-uploaders_uplink_ubuntu.list.save
-rw-r----- 1 root admin 0 Jan 25 02:01 private-ppa.launchpad.net_commercial-ppa-uploaders_world-of-goo_ubuntu.list
-rw-r----- 1 root root 190 Jan 25 02:01 private-ppa.launchpad.net_commercial-ppa-uploaders_world-of-goo_ubuntu.list.save

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: update-manager 1:0.156.14.4
ProcVersionSignature: Ubuntu 3.2.0-24.38-generic 3.2.16
Uname: Linux 3.2.0-24-generic x86_64
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
CheckboxSubmission: 9dfa225a100a6da71689692d7002e544
CheckboxSystem: 2954e74ba17fb0e37fc942cd1d9fab4e
Date: Wed May 23 20:56:43 2012
GsettingsChanges:
 com.ubuntu.update-manager first-run false
 com.ubuntu.update-manager launch-time 1337820258
 com.ubuntu.update-manager window-height 597
 com.ubuntu.update-manager window-width 599
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110426)
PackageArchitecture: all
SourcePackage: update-manager
UpgradeStatus: Upgraded to precise on 2011-10-13 (223 days ago)