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So I'm trying to produce a poster using this baposter thing and I'm failing miserably at getting the thing to run. I have WinEdt and MiKTeX installed (I'm running Windows Vista) but when I try to pdftexify any of the example that comes in the folder you download I get the error:

! LaTeX Error: Missing \begin{document}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.

l.1 .

Process has been terminated ...

And I don't understand why... the class file is in the folder that's being compiled so I'm not sure what I'm missing.

Anyway, in my frustration I then reinstalled both MiKTeX and WinEdt, which only seems to have made things worse; when I try to compile old reports I've made it tells me things such as:

! LaTeX Error: File `amsmath.sty' not found.

Type X to quit or <RETURN> to proceed,
or enter new name. (Default extension: sty)

Enter file name: 

Which is weird as according to the MiKTeX Package Manager these packages are definitely installed, and in the past, whenever I've needed a new package, the thing has automatically installed.

So I guess my questions amount to: how have I managed to break this? and how do I get the baposter class working?

Sorry, I know I'm probably being very stupid, and there are probably very easy, obvious answers, but I'm really rather rubbish at computers and I can't get my head around this! :(

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closed as unclear what you're asking by Joseph Wright Aug 10 '13 at 7:51

Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question.If this question can be reworded to fit the rules in the help center, please edit the question.

Welcome to TeX.sx! – Benedikt Bauer Mar 9 '13 at 16:24
Regarding the amsmath problem: Synchronize the repository in the package manager of miktex (menu "Repository). Do it in user + admin mode. Regarding baposter.cls: Don't you think it would be useful if you said where you got the class and which example you are actually trying to compile? – Ulrike Fischer Mar 9 '13 at 16:38
So the amsmath problem has now changed into a little pop up when I try to pdftexify that says: Cannot run: "C:\PROGRA~1\MICROS~2\OFFICE11\WORDVIEW.EXE" "C:\Users\John\Documents\Snowflakes\R..\Report.pdf" Oh, and sorry, that probably would be useful! The class is from brian-amberg.de/uni/poster . I just downloaded baposter.tar.bz2 and the examples are all in there. And they all give the same error :/ . – John Mar 9 '13 at 17:25
And the location "C:\PROGRA~1\MICROS~2\OFFICE11\WORDVIEW.EXE" doesn't seem to exist on my computer either. There's a Cannot run: "C:\PROGRA~1\MICROS~2\OFFICE12\" instead but this has no WORDVIEW.EXE in it... – John Mar 9 '13 at 17:35
And this new problem seems only restricted to WinEdt - I can at least pdftexify these old reports using TeXworks now (hurray). Still having the same problem with the baposter class though. – John Mar 9 '13 at 17:39

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