9

After installing MiKTeX 2.9 on Windows 7, I can open TeXworks but only if I do not use the MiKTeX updater. After updating MiKTeX after installation and whenever I try to open TeXworks, I get the error message "... MiKTeX209-jpeg.dll is missing". I have reinstalled several times but have not been able to resolve the issue.

  • The dll is in my miktex in the package miktex-jpeg-bib-2.9. Check (with the package manager (admin) if it is installed. – Ulrike Fischer Dec 27 '16 at 18:04
  • The package miktex-jpeg-bib-2.9 is installed – BSH Dec 27 '16 at 18:09
4

See bug at Miktex sourceforge:

Sourceforge Issue Tracker

Solutions are given by the bug opener in link.

4

If you just installed LyX and Miktex for the first time on your computer (as I did on a brand new computer), you can just Synchronize Miktex (to update packages list), then do an Update, this will fix the missing DLL issues.

Then you have to reconfigure LyX (LyX > Tools > Reconfigure) in order to refresh the document templates (else you will get a "missing article.cls" error).

3

Open the miktex package manager in admin mode (should be available from start menu programs). Install all uninstalled packages in the category \Miktex X.X executables (windows-x86). That should (hopefully) fix your problem.

2

This is also happened to me when I installed TexStudio and updated the Miktex. But the problem is fixed after I opened the MiKTex Package Manager (Admin) then installed manually miktex-jpeg-bin-2.9 and miktex-latex. Maybe your problem can be solved by the same ways too.

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