This is pdfTeX, Version 3.14159265-2.6-1.40.15 (TeX Live 2014/W32TeX) (preloaded format=pdftex 2015.4.21)  21 APR 2015 14:04
entering extended mode
 restricted \write18 enabled.
 %&-line parsing enabled.
**salam.tex
(./salam.tex
! Undefined control sequence.
l.1 \documentclass
                  {article}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.2 \usepackage
               {xepersian}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.4 \settextfont
                {XB Niloofar}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.5 \begin
          {document}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

Missing character: There is no Ø in font cmr10!
Missing character: There is no ³ in font cmr10!
Missing character: There is no Ù in font cmr10!
Missing character: There is no „ in font cmr10!
Missing character: There is no Ø in font cmr10!
Missing character: There is no § in font cmr10!
Missing character: There is no Ù in font cmr10!
Missing character: There is no … in font cmr10!
[1{d:/texlive/2014/texmf-var/fonts/map/pdftex/updmap/pdftex.map}] )<d:/texlive/
2014/texmf-dist/fonts/type1/public/amsfonts/cm/cmr10.pfb>
Output written on salam.pdf (1 page, 14472 bytes).
PDF statistics:
 12 PDF objects out of 1000 (max. 8388607)
 7 compressed objects within 1 object stream
 0 named destinations out of 1000 (max. 500000)
 1 words of extra memory for PDF output out of 10000 (max. 10000000)