zim equation insert error

WARNING: C:\Program Files (x86)\Zim Desktop Wiki\zim.exe\zim\plugins\__init__.py:766: GtkWarning: Inserting action group 'MainWindowExtension' into UI manager which already has a group with this name


WARNING: C:\Program Files (x86)\Zim Desktop Wiki\zim.exe\zim\gui\__init__.py:2309: GtkWarning: open_page_back_alt1: missing action open_page_back_alt1

WARNING: C:\Program Files (x86)\Zim Desktop Wiki\zim.exe\zim\gui\__init__.py:2309: GtkWarning: open_page_forward_alt1: missing action open_page_forward_alt1

WARNING: No such image: C:\Users\Jack\Dropbox\College\Spring 2019\ECE 3723 Circuits 2\Circuits_1_Review_pt_2\equation.png
ERROR: Could not generate image
Traceback (most recent call last):
  File "zim\plugins\base\imagegenerator.pyo", line 341, in generate_image
  File "zim\plugins\equationeditor.pyo", line 85, in generate_image
  File "zim\applications.pyo", line 207, in run
ApplicationError: Failed to run application: dvipng

dvipng "-q" "-bg" "Transparent" "-T" "tight" "-o" "c:\users\jack\appdata\local\temp\zim-Jack\equation.png" "c:\users\jack\appdata\local\temp\zim-Jack\equation.dvi"
returned non-zero exit status 1



Sorry, but dvipng did not succeed.



The log file hopefully contains the information to get MiKTeX going again:



  C:\Users\Jack\AppData\Local\MiKTeX\2.9\miktex\log\dvipng.log