The package "firefox-kde-support" has not been found among your software sources. Therefore, it cannot be installed.

Thank you for reporting this to Ubuntu. Which release of Ubuntu are you running and which version of firefox and firefox-kde-support are you trying to install?

sorry about that .lost my broswer .

Description: Ubuntu precise (development branch)
Release: 12.04

i686

Disk /dev/sda: 30401 cylinders, 255 heads, 63 sectors/track
Warning: extended partition does not start at a cylinder boundary.
DOS and Linux will interpret the contents differently.
Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0

   Device Boot Start End #cyls #blocks Id System
/dev/sda1 * 0+ 30272- 30273- 243160064 83 Linux
/dev/sda2 30272+ 30401- 130- 1036289 5 Extended
/dev/sda3 0 - 0 0 0 Empty
/dev/sda4 0 - 0 0 0 Empty
/dev/sda5 30272+ 30401- 130- 1036288 82 Linux swap / Solaris

Disk /dev/mapper/cryptswap1: 129 cylinders, 255 heads, 63 sectors/track

sfdisk: ERROR: sector 0 does not have an msdos signature
 /dev/mapper/cryptswap1: unrecognized partition table type
No partitions found

Disk /dev/sdb: 1023 cylinders, 249 heads, 62 sectors/track
Units = cylinders of 7904256 bytes, blocks of 1024 bytes, counting from 0

   Device Boot Start End #cyls #blocks Id System
/dev/sdb1 * 0+ 1022 1023- 7896506 b W95 FAT32
                end: (c,h,s) expected (1022,248,62) found (1023,248,62)
/dev/sdb2 0 - 0 0 0 Empty
/dev/sdb3 0 - 0 0 0 Empty
/dev/sdb4 0 - 0 0 0 Empty

having truble keeping windows open will post more soon

had graphic driver problem unable to recover .after log in every thing super large .
firefox was locked in package manager.

Looks like the package firefox-kde-support was removed in Ubuntu 12.04.

duplicate status is wrong .
i unlocked firefox .run update and it was fine .it was not kde