please paste output
ldd /usr/lib/MozillaFirefox/libxul.so
ldd /usr/lib/MozillaFirefox/firefox-bin
mahmood@pardus2011 ~ $ ldd /usr/lib/MozillaFirefox/libxul.so
linux-gate.so.1 => (0xffffe000)
libsqlite3.so.0 => /usr/lib/libsqlite3.so.0 (0x1995e000)
libjpeg.so.8 => /usr/lib/libjpeg.so.8 (0x00110000)
libpng14.so.14 => /usr/lib/libpng14.so.14 (0x00149000)
libssl3.so => /usr/lib/nss/libssl3.so (0x039c5000)
libsmime3.so => /usr/lib/nss/libsmime3.so (0x08ae5000)
libnss3.so => /usr/lib/nss/libnss3.so (0x10cff000)
libnssutil3.so => /usr/lib/nss/libnssutil3.so (0x00176000)
libcairo.so.2 => /usr/lib/libcairo.so.2 (0x08923000)
libpixman-1.so.0 => /usr/lib/libpixman-1.so.0 (0x1c153000)
libfreetype.so.6 => /usr/lib/libfreetype.so.6 (0x1fb08000)
libfontconfig.so.1 => /usr/lib/libfontconfig.so.1 (0x0bba8000)
libXrender.so.1 => /usr/lib/libXrender.so.1 (0x15b20000)
libX11.so.6 => /usr/lib/libX11.so.6 (0x1de8a000)
libz.so.1 => /lib/libz.so.1 (0x0af03000)
libhunspell-1.2.so.0 => /usr/lib/libhunspell-1.2.so.0 (0x14fc2000)
libevent-2.0.so.5 => /usr/lib/libevent-2.0.so.5 (0x108c5000)
libvpx.so.0 => /usr/lib/libvpx.so.0 (0x033b5000)
libasound.so.2 => /usr/lib/libasound.so.2 (0x1a390000)
libplds4.so => /usr/lib/libplds4.so (0x16f14000)
libplc4.so => /usr/lib/libplc4.so (0x12d4b000)
libnspr4.so => /usr/lib/libnspr4.so (0x16411000)
libpthread.so.0 => /lib/libpthread.so.0 (0x081d9000)
libdl.so.2 => /lib/libdl.so.2 (0x1dadb000)
libmozalloc.so => /usr/lib/xulrunner-2.0/libmozalloc.so (0x08e63000)
libdbus-1.so.3 => /usr/lib/libdbus-1.so.3 (0x0efaf000)
librt.so.1 => /lib/librt.so.1 (0x0fd7a000)
libdbus-glib-1.so.2 => /usr/lib/libdbus-glib-1.so.2 (0x076be000)
libgobject-2.0.so.0 => /usr/lib/libgobject-2.0.so.0 (0x13cce000)
libgthread-2.0.so.0 => /usr/lib/libgthread-2.0.so.0 (0x1f4dc000)
libglib-2.0.so.0 => /usr/lib/libglib-2.0.so.0 (0x0d292000)
libXext.so.6 => /usr/lib/libXext.so.6 (0x12564000)
libpangoft2-1.0.so.0 => /usr/lib/libpangoft2-1.0.so.0 (0x01e3c000)
libpangocairo-1.0.so.0 => /usr/lib/libpangocairo-1.0.so.0 (0x02237000)
libpango-1.0.so.0 => /usr/lib/libpango-1.0.so.0 (0x161b8000)
libgmodule-2.0.so.0 => /usr/lib/libgmodule-2.0.so.0 (0x10a6d000)
libgtk-x11-2.0.so.0 => /usr/lib/libgtk-x11-2.0.so.0 (0x0c6ab000)
libatk-1.0.so.0 => /usr/lib/libatk-1.0.so.0 (0x1e8b9000)
libgio-2.0.so.0 => /usr/lib/libgio-2.0.so.0 (0x1206e000)
libgdk-x11-2.0.so.0 => /usr/lib/libgdk-x11-2.0.so.0 (0x1396d000)
libgdk_pixbuf-2.0.so.0 => /usr/lib/libgdk_pixbuf-2.0.so.0 (0x0fc2e000)
libXt.so.6 => /usr/lib/libXt.so.6 (0x0b649000)
libbz2.so.1 => /lib/libbz2.so.1 (0x0c243000)
libstartup-notification-1.so.0 => /usr/lib/libstartup-notification-1.so.0 (0x09a58000)
libproxy.so.1 => /usr/lib/libproxy.so.1 (0x0ce36000)
libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x141c1000)
libm.so.6 => /lib/libm.so.6 (0x18139000)
libgcc_s.so.1 => /usr/lib/libgcc_s.so.1 (0x0eab4000)
libc.so.6 => /lib/libc.so.6 (0x0f396000)
/lib/ld-linux.so.2 (0x00193000)
libxcb-shm.so.0 => /usr/lib/libxcb-shm.so.0 (0x1ed7b000)
libxcb-render.so.0 => /usr/lib/libxcb-render.so.0 (0x11695000)
libxcb.so.1 => /usr/lib/libxcb.so.1 (0x1fd15000)
libexpat.so.1 => /usr/lib/libexpat.so.1 (0x148d7000)
libpcre.so.0 => /usr/lib/libpcre.so.0 (0x13ec6000)
libXfixes.so.3 => /usr/lib/libXfixes.so.3 (0x0f867000)
libresolv.so.2 => /lib/libresolv.so.2 (0x1847a000)
libXinerama.so.1 => /usr/lib/libXinerama.so.1 (0x05c89000)
libXi.so.6 => /usr/lib/libXi.so.6 (0x0bb89000)
libXrandr.so.2 => /usr/lib/libXrandr.so.2 (0x1bbf1000)
libXcursor.so.1 => /usr/lib/libXcursor.so.1 (0x0d039000)
libXcomposite.so.1 => /usr/lib/libXcomposite.so.1 (0x1b111000)
libXdamage.so.1 => /usr/lib/libXdamage.so.1 (0x06aba000)
libSM.so.6 => /usr/lib/libSM.so.6 (0x0705f000)
libICE.so.6 => /usr/lib/libICE.so.6 (0x115de000)
libxcb-aux.so.0 => /usr/lib/libxcb-aux.so.0 (0x01b3b000)
libxcb-atom.so.1 => /usr/lib/libxcb-atom.so.1 (0x1242a000)
libmodman.so.1 => /usr/lib/libmodman.so.1 (0x0f7ea000)
libwebkit-1.0.so.2 => /usr/lib/libwebkit-1.0.so.2 (0x02244000)
libXau.so.6 => /usr/lib/libXau.so.6 (0x16b87000)
libXdmcp.so.6 => /usr/lib/libXdmcp.so.6 (0x10b7e000)
libuuid.so.1 => /lib/libuuid.so.1 (0x077a7000)
libenchant.so.1 => /usr/lib/libenchant.so.1 (0x110e7000)
libgailutil.so.18 => /usr/lib/libgailutil.so.18 (0x11554000)
libgstapp-0.10.so.0 => /usr/lib/libgstapp-0.10.so.0 (0x10803000)
libgstpbutils-0.10.so.0 => /usr/lib/libgstpbutils-0.10.so.0 (0x110ac000)
libgstvideo-0.10.so.0 => /usr/lib/libgstvideo-0.10.so.0 (0x0d855000)
libgstbase-0.10.so.0 => /usr/lib/libgstbase-0.10.so.0 (0x097f4000)
libgstreamer-0.10.so.0 => /usr/lib/libgstreamer-0.10.so.0 (0x187d0000)
libsoup-2.4.so.1 => /usr/lib/libsoup-2.4.so.1 (0x01b40000)
libxslt.so.1 => /usr/lib/libxslt.so.1 (0x122ee000)
libxml2.so.2 => /usr/lib/libxml2.so.2 (0x06bec000)
libicui18n.so.44 => /usr/lib/libicui18n.so.44 (0x01b98000)
libicuuc.so.44 => /usr/lib/libicuuc.so.44 (0x01e6a000)
libgnutls.so.26 => /usr/lib/libgnutls.so.26 (0x13553000)
libgcrypt.so.11 => /usr/lib/libgcrypt.so.11 (0x17104000)
libicudata.so.44 => /usr/lib/libicudata.so.44 (0x039ff000)
libtasn1.so.3 => /usr/lib/libtasn1.so.3 (0x1c384000)
libgpg-error.so.0 => /usr/lib/libgpg-error.so.0 (0x1be92000)
mahmood@pardus2011 ~ $ ldd /usr/lib/MozillaFirefox/firefox-bin
linux-gate.so.1 => (0xffffe000)
libpthread.so.0 => /lib/libpthread.so.0 (0x00461000)
libxul.so => /usr/lib/xulrunner-2.0/libxul.so (0x0084a000)
libxpcom.so => /usr/lib/xulrunner-2.0/libxpcom.so (0x00110000)
libplc4.so => /usr/lib/libplc4.so (0x00116000)
libnspr4.so => /usr/lib/libnspr4.so (0x00735000)
libgcc_s.so.1 => /usr/lib/libgcc_s.so.1 (0x006f4000)
libc.so.6 => /lib/libc.so.6 (0x001d0000)
/lib/ld-linux.so.2 (0x0082a000)
libsqlite3.so.0 => /usr/lib/libsqlite3.so.0 (0x0034d000)
libjpeg.so.8 => /usr/lib/libjpeg.so.8 (0x0011c000)
libpng14.so.14 => /usr/lib/libpng14.so.14 (0x00155000)
libmozjs.so => /usr/lib/xulrunner-2.0/libmozjs.so (0x053c5000)
libssl3.so => /usr/lib/nss/libssl3.so (0x00182000)
libsmime3.so => /usr/lib/nss/libsmime3.so (0x005e2000)
libnss3.so => /usr/lib/nss/libnss3.so (0x0047b000)
libnssutil3.so => /usr/lib/nss/libnssutil3.so (0x00426000)
libcairo.so.2 => /usr/lib/libcairo.so.2 (0x0060e000)
libpixman-1.so.0 => /usr/lib/libpixman-1.so.0 (0x00775000)
libfreetype.so.6 => /usr/lib/libfreetype.so.6 (0x03534000)
libfontconfig.so.1 => /usr/lib/libfontconfig.so.1 (0x08c5f000)
libXrender.so.1 => /usr/lib/libXrender.so.1 (0x005ce000)
libX11.so.6 => /usr/lib/libX11.so.6 (0x02fdc000)
libz.so.1 => /lib/libz.so.1 (0x00442000)
libhunspell-1.2.so.0 => /usr/lib/libhunspell-1.2.so.0 (0x03192000)
libasound.so.2 => /usr/lib/libasound.so.2 (0x0234f000)
libplds4.so => /usr/lib/libplds4.so (0x001bc000)
libdl.so.2 => /lib/libdl.so.2 (0x001c1000)
libmozalloc.so => /usr/lib/xulrunner-2.0/libmozalloc.so (0x001c5000)
libdbus-1.so.3 => /usr/lib/libdbus-1.so.3 (0x07562000)
librt.so.1 => /lib/librt.so.1 (0x005c2000)
libdbus-glib-1.so.2 => /usr/lib/libdbus-glib-1.so.2 (0x00711000)
libgobject-2.0.so.0 => /usr/lib/libgobject-2.0.so.0 (0x07dee000)
libgthread-2.0.so.0 => /usr/lib/libgthread-2.0.so.0 (0x001c9000)
libglib-2.0.so.0 => /usr/lib/libglib-2.0.so.0 (0x063a8000)
libXext.so.6 => /usr/lib/libXext.so.6 (0x00809000)
libpangoft2-1.0.so.0 => /usr/lib/libpangoft2-1.0.so.0 (0x01e7d000)
libpangocairo-1.0.so.0 => /usr/lib/libpangocairo-1.0.so.0 (0x006e2000)
libpango-1.0.so.0 => /usr/lib/libpango-1.0.so.0 (0x0678f000)
libgtk-x11-2.0.so.0 => /usr/lib/libgtk-x11-2.0.so.0 (0x01eab000)
libatk-1.0.so.0 => /usr/lib/libatk-1.0.so.0 (0x0772d000)
libgdk-x11-2.0.so.0 => /usr/lib/libgdk-x11-2.0.so.0 (0x05da2000)
libgdk_pixbuf-2.0.so.0 => /usr/lib/libgdk_pixbuf-2.0.so.0 (0x07348000)
libXt.so.6 => /usr/lib/libXt.so.6 (0x02445000)
libstartup-notification-1.so.0 => /usr/lib/libstartup-notification-1.so.0 (0x007fb000)
libproxy.so.1 => /usr/lib/libproxy.so.1 (0x07219000)
libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x08b63000)
libm.so.6 => /lib/libm.so.6 (0x02c16000)
libxcb-shm.so.0 => /usr/lib/libxcb-shm.so.0 (0x00459000)
libxcb-render.so.0 => /usr/lib/libxcb-render.so.0 (0x0081c000)
libxcb.so.1 => /usr/lib/libxcb.so.1 (0x0230b000)
libbz2.so.1 => /lib/libbz2.so.1 (0x0257a000)
libexpat.so.1 => /usr/lib/libexpat.so.1 (0x02cb6000)
libpcre.so.0 => /usr/lib/libpcre.so.0 (0x06701000)
libgmodule-2.0.so.0 => /usr/lib/libgmodule-2.0.so.0 (0x005d9000)
libXfixes.so.3 => /usr/lib/libXfixes.so.3 (0x03e41000)
libgio-2.0.so.0 => /usr/lib/libgio-2.0.so.0 (0x0258b000)
libXinerama.so.1 => /usr/lib/libXinerama.so.1 (0x0045d000)
libXi.so.6 => /usr/lib/libXi.so.6 (0x0907a000)
libXrandr.so.2 => /usr/lib/libXrandr.so.2 (0x05a5b000)
libXcursor.so.1 => /usr/lib/libXcursor.so.1 (0x060d7000)
libXcomposite.so.1 => /usr/lib/libXcomposite.so.1 (0x005de000)
libXdamage.so.1 => /usr/lib/libXdamage.so.1 (0x006ef000)
libSM.so.6 => /usr/lib/libSM.so.6 (0x0687e000)
libICE.so.6 => /usr/lib/libICE.so.6 (0x06134000)
libxcb-aux.so.0 => /usr/lib/libxcb-aux.so.0 (0x06e92000)
libxcb-atom.so.1 => /usr/lib/libxcb-atom.so.1 (0x0232b000)
libmodman.so.1 => /usr/lib/libmodman.so.1 (0x0888c000)
libwebkit-1.0.so.2 => /usr/lib/libwebkit-1.0.so.2 (0x03e47000)
libXau.so.6 => /usr/lib/libXau.so.6 (0x00826000)
libXdmcp.so.6 => /usr/lib/libXdmcp.so.6 (0x03d57000)
libresolv.so.2 => /lib/libresolv.so.2 (0x08668000)
libuuid.so.1 => /lib/libuuid.so.1 (0x0294c000)
libenchant.so.1 => /usr/lib/libenchant.so.1 (0x0913a000)
libgailutil.so.18 => /usr/lib/libgailutil.so.18 (0x090ee000)
libgstapp-0.10.so.0 => /usr/lib/libgstapp-0.10.so.0 (0x024be000)
libgstpbutils-0.10.so.0 => /usr/lib/libgstpbutils-0.10.so.0 (0x024cb000)
libgstvideo-0.10.so.0 => /usr/lib/libgstvideo-0.10.so.0 (0x04fba000)
libgstbase-0.10.so.0 => /usr/lib/libgstbase-0.10.so.0 (0x05ca3000)
libgstreamer-0.10.so.0 => /usr/lib/libgstreamer-0.10.so.0 (0x026ba000)
libsoup-2.4.so.1 => /usr/lib/libsoup-2.4.so.1 (0x05f7a000)
libxslt.so.1 => /usr/lib/libxslt.so.1 (0x0594d000)
libxml2.so.2 => /usr/lib/libxml2.so.2 (0x027a2000)
libicui18n.so.44 => /usr/lib/libicui18n.so.44 (0x02952000)
libicuuc.so.44 => /usr/lib/libicuuc.so.44 (0x02ce0000)
libgnutls.so.26 => /usr/lib/libgnutls.so.26 (0x05106000)
libgcrypt.so.11 => /usr/lib/libgcrypt.so.11 (0x024ec000)
libicudata.so.44 => /usr/lib/libicudata.so.44 (0xb68ff000)
libtasn1.so.3 => /usr/lib/libtasn1.so.3 (0x051d5000)
libgpg-error.so.0 => /usr/lib/libgpg-error.so.0 (0x08d48000)
@atolboo
reinstallation did not work, same error.
@kranthi
i did not install greasemonkey. or is it pre-installed?