[texworks] LATEX error

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Dear sir,I am facing an issue about some font error for PdfTex and for 
PdflAtex, it is unable to provide me the output. The result at the 
compiler screen is as shown:

/This is pdfTeX, Version 3.1415926-1.40.10 (TeX Live 2009/Debian)/

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/entering extended mode/

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/(./PCS.tex/

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/LaTeX2e <2009/09/24>/

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/Babel <v3.8l> and hyphenation patterns for english, usenglishmax, 
dumylang, noh/

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/yphenation, loaded./

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/(/usr/share/texmf-texlive/tex/latex/base/article.cls/

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/Document Class: article 2007/10/19 v1.4h Standard LaTeX document class/

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/(/usr/share/texmf-texlive/tex/latex/base/size10.clo))/

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/(/usr/share/texmf-texlive/tex/latex/base/inputenc.sty/

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/(/usr/share/texmf-texlive/tex/latex/base/utf8.def/

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/(/usr/share/texmf-texlive/tex/latex/base/t1enc.dfu)/

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/(/usr/share/texmf-texlive/tex/latex/base/ot1enc.dfu)/

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/(/usr/share/texmf-texlive/tex/latex/base/omsenc.dfu)))/

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/(/usr/share/texmf-texlive/tex/latex/base/fontenc.sty/

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/(/usr/share/texmf-texlive/tex/latex/base/t1enc.def)/

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/kpathsea: Running mktextfm ecrm1000/

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//usr/share/texmf/web2c/mktexnam: Could not map source abbreviation for 
ecrm1000./

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//usr/share/texmf/web2c/mktexnam: Need to update ?/

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/mktextfm: Running mf-nowin -progname=mf \mode:=ljfour; mag:=1; 
nonstopmode; input ecrm1000/

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/This is METAFONT, Version 2.718281 (TeX Live 2009/Debian)/

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/
/

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/kpathsea: Running mktexmf ecrm1000/

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/
/

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/! I can't find file `ecrm1000'./

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/<*> ...ljfour; mag:=1; nonstopmode; input ecrm1000/

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//

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/Please type another input file name/

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/! Emergency stop./

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/<*> ...ljfour; mag:=1; nonstopmode; input ecrm1000/

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//

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/Transcript written on mfput.log./

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/grep: ecrm1000.log: No such file or directory/

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/mktextfm: `mf-nowin -progname=mf \mode:=ljfour; mag:=1; nonstopmode; 
input ecrm1000' failed to make ecrm1000.tfm./

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/kpathsea: Appending font creation commands to missfont.log./

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/
/

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/! Font T1/cmr/m/n/10=ecrm1000 at 10.0pt not loadable: Metric (TFM) file 
not fou/

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/nd./

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/<to be read again> /

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/relax /

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/l.100 \fontencoding\encodingdefault\selectfont/

//

//

//

/? /

/
PLS HELP!! It would be very kind of you to respond at the earliest.
/----- configuration info -----
TeXworks version : 0.5r952 (Debian)
Install location : /usr/bin/texworks
Library path : /home/sanghavitech/.TeXworks/
pdfTeX location : /usr/bin/pdftex
Operating system : Linux ubuntu 3.5.0-23-generic #35~precise1-Ubuntu SMP 
Fri Jan 25 17:15:33 UTC 2013 i686 i686 i386 GNU/Linux
Qt4 version : 4.7.4 (build) / 4.8.1 (runtime)
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