我成功编译了一份 20 页的文档，但后来由于某种原因，事情变得糟糕起来，我正在复制编译器的输出，希望这对某些人有帮助。还注意到源代码目录中没有 .gz 文件或日志文件。
This is pdfTeX, Version 3.14159265-2.6-1.40.18 (MiKTeX 2.9.6600 64-bit)
entering extended mode
(C:/Users/Steve/Desktop/lin-ryan/polarchapterlast.tex
LaTeX2e <2017-04-15>
Babel <3.17> and hyphenation patterns for 75 language(s) loaded.
("C:\Program Files\MiKTeX 2.9\tex\latex\base\article.cls"
Document Class: article 2014/09/29 v1.4h Standard LaTeX document class
("C:\Program Files\MiKTeX 2.9\tex\latex\base\size12.clo"))
("C:\Program Files\MiKTeX 2.9\tex\latex\graphics\epsfig.sty"
("C:\Program Files\MiKTeX 2.9\tex\latex\graphics\graphicx.sty"
("C:\Program Files\MiKTeX 2.9\tex\latex\graphics\keyval.sty")
("C:\Program Files\MiKTeX 2.9\tex\latex\graphics\graphics.sty"
("C:\Program Files\MiKTeX 2.9\tex\latex\graphics\trig.sty")
("C:\Program Files\MiKTeX 2.9\tex\latex\graphics-cfg\graphics.cfg")
("C:\Program Files\MiKTeX 2.9\tex\latex\graphics-def\pdftex.def"))))
No file polarchapterlast.aux.
("C:\Program Files\MiKTeX 2.9\tex\context\base\supp-pdf.mkii"
[Loading MPS to PDF converter (version 2006.09.02).]
) ("C:\Program Files\MiKTeX 2.9\tex\latex\oberdiek\epstopdf-base.sty"
("C:\Program Files\MiKTeX 2.9\tex\generic\oberdiek\infwarerr.sty")
("C:\Program Files\MiKTeX 2.9\tex\latex\oberdiek\grfext.sty"
("C:\Program Files\MiKTeX 2.9\tex\generic\oberdiek\kvdefinekeys.sty"
("C:\Program Files\MiKTeX 2.9\tex\generic\oberdiek\ltxcmds.sty")))
("C:\Program Files\MiKTeX 2.9\tex\latex\oberdiek\kvoptions.sty"
("C:\Program Files\MiKTeX 2.9\tex\generic\oberdiek\kvsetkeys.sty"
("C:\Program Files\MiKTeX 2.9\tex\generic\oberdiek\etexcmds.sty"
("C:\Program Files\MiKTeX 2.9\tex\generic\oberdiek\ifluatex.sty"))))
("C:\Program Files\MiKTeX 2.9\tex\generic\oberdiek\pdftexcmds.sty"
("C:\Program Files\MiKTeX 2.9\tex\generic\oberdiek\ifpdf.sty"))) [1{C:/Users/St
eve/AppData/Local/MiKTeX/2.9/pdftex/config/pdftex.map}] (polarchapterlast.aux)
)<C:/Program Files/MiKTeX 2.9/fonts/type1/public/amsfonts/cm/cmbx12.pfb>
Output written on polarchapterlast.pdf (1 page, 11307 bytes).
SyncTeX written on polarchapterlast.synctex.gz.
Transcript written on polarchapterlast.log.
This is pdfTeX, Version 3.14159265-2.6-1.40.18 (MiKTeX 2.9.6600 64-bit)
entering extended mode
(C:/Users/Steve/Desktop/lin-ryan/polarchapterlast.tex
LaTeX2e <2017-04-15>
Babel <3.17> and hyphenation patterns for 75 language(s) loaded.
("C:\Program Files\MiKTeX 2.9\tex\latex\base\article.cls"
Document Class: article 2014/09/29 v1.4h Standard LaTeX document class
("C:\Program Files\MiKTeX 2.9\tex\latex\base\size12.clo"))
("C:\Program Files\MiKTeX 2.9\tex\latex\graphics\epsfig.sty"
("C:\Program Files\MiKTeX 2.9\tex\latex\graphics\graphicx.sty"
("C:\Program Files\MiKTeX 2.9\tex\latex\graphics\keyval.sty")
("C:\Program Files\MiKTeX 2.9\tex\latex\graphics\graphics.sty"
("C:\Program Files\MiKTeX 2.9\tex\latex\graphics\trig.sty")
("C:\Program Files\MiKTeX 2.9\tex\latex\graphics-cfg\graphics.cfg")
("C:\Program Files\MiKTeX 2.9\tex\latex\graphics-def\pdftex.def"))))
(polarchapterlast.aux)
("C:\Program Files\MiKTeX 2.9\tex\context\base\supp-pdf.mkii"
[Loading MPS to PDF converter (version 2006.09.02).]
) ("C:\Program Files\MiKTeX 2.9\tex\latex\oberdiek\epstopdf-base.sty"
("C:\Program Files\MiKTeX 2.9\tex\generic\oberdiek\infwarerr.sty")
("C:\Program Files\MiKTeX 2.9\tex\latex\oberdiek\grfext.sty"
("C:\Program Files\MiKTeX 2.9\tex\generic\oberdiek\kvdefinekeys.sty"
("C:\Program Files\MiKTeX 2.9\tex\generic\oberdiek\ltxcmds.sty")))
("C:\Program Files\MiKTeX 2.9\tex\latex\oberdiek\kvoptions.sty"
("C:\Program Files\MiKTeX 2.9\tex\generic\oberdiek\kvsetkeys.sty"
("C:\Program Files\MiKTeX 2.9\tex\generic\oberdiek\etexcmds.sty"
("C:\Program Files\MiKTeX 2.9\tex\generic\oberdiek\ifluatex.sty"))))
("C:\Program Files\MiKTeX 2.9\tex\generic\oberdiek\pdftexcmds.sty"
("C:\Program Files\MiKTeX 2.9\tex\generic\oberdiek\ifpdf.sty"))) [1{C:/Users/St
eve/AppData/Local/MiKTeX/2.9/pdftex/config/pdftex.map}] (polarchapterlast.aux)
)<C:/Program Files/MiKTeX 2.9/fonts/type1/public/amsfonts/cm/cmbx12.pfb>
Output written on polarchapterlast.pdf (1 page, 11307 bytes).
SyncTeX written on polarchapterlast.synctex.gz.
Transcript written on polarchapterlast.log.
Sorry, but "MiKTeX Compiler Driver" did not succeed.
The log file hopefully contains the information to get MiKTeX going again:
C:/Users/Steve/AppData/Local/MiKTeX/2.9/miktex/log/texify.log
You may want to visit the MiKTeX project page, if you need help.