Solve this Error

[nikhilpandey]

I am having a error on ubuntu when upgrading or installing any package.
One of the error is:

nikhil@ubuntu:~$ sudo apt-get install hydra-gtk
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
firebird2.5-common firebird2.5-common-doc hydra libapr1 libaprutil1 libdb4.8
libfbclient2 libmysqlclient18 libncp libpq5 libsvn1 mysql-common
The following NEW packages will be installed
firebird2.5-common firebird2.5-common-doc hydra hydra-gtk libapr1
libaprutil1 libdb4.8 libfbclient2 libmysqlclient18 libncp libpq5 libsvn1
mysql-common
0 upgraded, 13 newly installed, 0 to remove and 495 not upgraded.
1 not fully installed or removed.
Need to get 3,091 kB/3,968 kB of archives.
After this operation, 12.3 MB of additional disk space will be used.
Do you want to continue [Y/n]? y
Err http://np.archive.ubuntu.com/ubuntu/ precise/universe firebird2.5-common-doc all 2.5.1.26351.ds4-2build1
403 Forbidden
Err http://np.archive.ubuntu.com/ubuntu/ precise/universe firebird2.5-common i386 2.5.1.26351.ds4-2build1
403 Forbidden
Err http://np.archive.ubuntu.com/ubuntu/ precise/universe libfbclient2 i386 2.5.1.26351.ds4-2build1
403 Forbidden
Err http://np.archive.ubuntu.com/ubuntu/ precise/main libsvn1 i386 1.6.17dfsg-3ubuntu3
403 Forbidden
Err http://np.archive.ubuntu.com/ubuntu/ precise-updates/main libpq5 i386 9.1.7-0ubuntu12.04
403 Forbidden
Err http://np.archive.ubuntu.com/ubuntu/ precise/universe libncp i386 2.2.6-8
403 Forbidden
Err http://np.archive.ubuntu.com/ubuntu/ precise/universe hydra i386 7.1-1build1
403 Forbidden
Err http://np.archive.ubuntu.com/ubuntu/ precise/universe hydra-gtk i386 7.1-1build1
403 Forbidden
Err http://np.archive.ubuntu.com/ubuntu/ precise-security/main mysql-common all 5.5.28-0ubuntu0.12.04.3
403 Forbidden
Err http://np.archive.ubuntu.com/ubuntu/ precise-security/main libmysqlclient18 i386 5.5.28-0ubuntu0.12.04.3
403 Forbidden
Failed to fetch http://np.archive.ubuntu.com/ubuntu/...build1_all.deb 403 Forbidden
Failed to fetch http://np.archive.ubuntu.com/ubuntu/...uild1_i386.deb 403 Forbidden
Failed to fetch http://np.archive.ubuntu.com/ubuntu/...uild1_i386.deb 403 Forbidden
Failed to fetch http://np.archive.ubuntu.com/ubuntu/...2.04.3_all.deb 403 Forbidden
Failed to fetch http://np.archive.ubuntu.com/ubuntu/....04.3_i386.deb 403 Forbidden
Failed to fetch http://np.archive.ubuntu.com/ubuntu/...untu3_i386.deb 403 Forbidden
Failed to fetch http://np.archive.ubuntu.com/ubuntu/...12.04_i386.deb 403 Forbidden
Failed to fetch http://np.archive.ubuntu.com/ubuntu/...2.6-8_i386.deb 403 Forbidden
Failed to fetch http://np.archive.ubuntu.com/ubuntu/...uild1_i386.deb 403 Forbidden
Failed to fetch http://np.archive.ubuntu.com/ubuntu/...uild1_i386.deb 403 Forbidden
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

[2F4U]

Could be a problem with the mirror you are currently using. Have you tried selecting a different mirror?

[Cheesehead]

+1

2F4U is right. Bad mirror.