Emm, this is what i got...... Do you suggest i flash my phone?

$ sudo gainroot
Root shell enabled


BusyBox v1.10.2 (Debian 3:1.10.2.legal-1osso30+0m5) built-in shell (ash)
Enter 'help' for a list of built-in commands.

/home/user # dpkg -r --force-remove-reinstreq osso-pdf-viewer
dpkg - warning, overriding problem because --force enabled:
Package is in a very bad inconsistent state - you should
reinstall it before attempting a removal.
(Reading database ... 43665 files and directories currently installed.)
Removing osso-pdf-viewer ...
Segmentation fault
dpkg: error processing osso-pdf-viewer (--remove):
subprocess post-removal script returned error exit status 139
Errors were encountered while processing:
osso-pdf-viewer
/home/user # apt-get update
Hit http://repository.maemo.org fremantle-1.3 Release.gpg
Ign http://repository.maemo.org fremantle-1.3/free Translation-en_GB
Hit https://downloads.maemo.nokia.com ./ Release.gpg
Ign http://repository.maemo.org fremantle-1.3/non-free Translation-en_GB
Hit http://repository.maemo.org fremantle Release.gpg
Ign http://repository.maemo.org fremantle/free Translation-en_GB
Ign http://repository.maemo.org fremantle/non-free Translation-en_GB
Ign https://downloads.maemo.nokia.com ./ Translation-en_GB
Get:1 http://repository.maemo.org fremantle Release.gpg [197B]
Ign http://repository.maemo.org fremantle/free Translation-en_GB
Ign http://repository.maemo.org fremantle/non-free Translation-en_GB
Get:2 http://repository.maemo.org fremantle Release.gpg [197B]
Ign http://repository.maemo.org fremantle/free Translation-en_GB
Hit https://downloads.maemo.nokia.com ./ Release
Ign http://repository.maemo.org fremantle/non-free Translation-en_GB
Hit http://repository.maemo.org fremantle Release.gpg
Ign http://repository.maemo.org fremantle/free Translation-en_GB
Ign https://downloads.maemo.nokia.com ./ Packages/DiffIndex
Hit https://downloads.maemo.nokia.com ./ Packages
Ign http://repository.maemo.org fremantle/non-free Translation-en_GB
Hit http://repository.maemo.org fremantle-1.3 Release
Hit http://repository.maemo.org fremantle Release
Hit http://repository.maemo.org fremantle Release
Hit http://repository.maemo.org fremantle Release
Hit http://repository.maemo.org fremantle Release
Ign http://repository.maemo.org fremantle-1.3/free Packages/DiffIndex
Ign http://repository.maemo.org fremantle-1.3/non-free Packages/DiffIndex
Hit http://repository.maemo.org fremantle-1.3/free Packages
Ign http://repository.maemo.org fremantle/free Packages/DiffIndex
Ign http://repository.maemo.org fremantle/non-free Packages/DiffIndex
Hit http://repository.maemo.org fremantle-1.3/non-free Packages
Get:3 http://repository.maemo.org fremantle Release [7955B]
Get:4 http://repository.maemo.org fremantle Release [11.9kB]
Ign http://repository.maemo.org fremantle Release
Hit http://repository.maemo.org fremantle/free Packages
Hit http://repository.maemo.org fremantle/non-free Packages
Ign http://repository.maemo.org fremantle/free Packages/DiffIndex
Ign http://repository.maemo.org fremantle/non-free Packages/DiffIndex
Ign http://repository.maemo.org fremantle Release
Ign http://repository.maemo.org fremantle/free Packages/DiffIndex
Ign http://repository.maemo.org fremantle/non-free Packages/DiffIndex
Hit http://repository.maemo.org fremantle/free Packages
Hit http://repository.maemo.org fremantle/non-free Packages
Ign http://repository.maemo.org fremantle/free Packages/DiffIndex
Ign http://repository.maemo.org fremantle/non-free Packages/DiffIndex
Hit http://repository.maemo.org fremantle/free Packages
Hit http://repository.maemo.org fremantle/non-free Packages
Hit http://repository.maemo.org fremantle/free Packages
Hit http://repository.maemo.org fremantle/non-free Packages
Fetched 20.3kB in 21s (940B/s)
Reading package lists... Done
W: GPG error: http://repository.maemo.org fremantle Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 5D0E7C4F2E6D6F9A
W: GPG error: http://repository.maemo.org fremantle Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 6713C33F3F027BB1
W: You may want to run apt-get update to correct these problems
/home/user # apt-get install -f
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
wireless-tools iw aircrack-ng libqtm-12-location
advanced-power-monitor libqtm-12-multimedia youtube-dl
Use 'apt-get autoremove' to remove them.
The following extra packages will be installed:
osso-pdf-viewer
The following packages will be upgraded:
osso-pdf-viewer
1 upgraded, 0 newly installed, 0 to remove and 79 not upgraded.
55 not fully installed or removed.
Need to get 0B/423kB of archives.
After this operation, 0B of additional disk space will be used.
Do you want to continue [Y/n]? y
WARNING: The following packages cannot be authenticated!
osso-pdf-viewer
Install these packages without verification [y/N]? y
Selecting previously deselected package osso-pdf-viewer.
(Reading database ... 43665 files and directories currently installed.)
Preparing to replace osso-pdf-viewer 1.8.24-1+0m5 (using .../osso-pdf-viewer_1.8.24-2+0cssu3_armel.deb) ...
Unpacking replacement osso-pdf-viewer ...
Segmentation fault
dpkg: warning - old post-removal script returned error exit status 139
dpkg - trying script from the new package instead ...
Segmentation fault
dpkg: error processing /var/cache/apt/archives/osso-pdf-viewer_1.8.24-2+0cssu3_armel.deb (--unpack):
subprocess new post-removal script returned error exit status 139
Segmentation fault
dpkg: error while cleaning up:
subprocess post-removal script returned error exit status 139
Processing triggers for catoriseplus ...
################################################## ################################################## #######
No changes to hildon menu.
Errors were encountered while processing:
/var/cache/apt/archives/osso-pdf-viewer_1.8.24-2+0cssu3_armel.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
/home/user #