Error loading latex equations

I tried adding a latex equation, but I’m getting an error in the display:

This is pdfTeX, Version 3.14159265-2.6-1.40.21 (MiKTeX 20.6.29)
entering extended mode
(tmp.tex
LaTeX2e <2020-02-02> patch level 5
L3 programming layer <2020-06-18>
(C:\Users\anton\AppData\Local\Programs\MiKTeX\tex/latex/base\article.cls
Document Class: article 2019/12/20 v1.4l Standard LaTeX document class
(C:\Users\anton\AppData\Local\Programs\MiKTeX\tex/latex/base\size12.clo))
(C:\Users\anton\AppData\Local\Programs\MiKTeX\tex/latex/base\inputenc.sty)
(C:\Users\anton\AppData\Local\Programs\MiKTeX\tex/latex/amsfonts\amssymb.sty
(C:\Users\anton\AppData\Local\Programs\MiKTeX\tex/latex/amsfonts\amsfonts.sty))
(C:\Users\anton\AppData\Local\Programs\MiKTeX\tex/latex/amsmath\amsmath.sty
For additional information on amsmath, use the `?’ option.
(C:\Users\anton\AppData\Local\Programs\MiKTeX\tex/latex/amsmath\amstext.sty
(C:\Users\anton\AppData\Local\Programs\MiKTeX\tex/latex/amsmath\amsgen.sty))
(C:\Users\anton\AppData\Local\Programs\MiKTeX\tex/latex/amsmath\amsbsy.sty)
(C:\Users\anton\AppData\Local\Programs\MiKTeX\tex/latex/amsmath\amsopn.sty))
(C:\Users\anton\AppData\Local\Programs\MiKTeX\tex/latex/l3backend\l3backend-dvi
ps.def) (tmp.aux)
(C:\Users\anton\AppData\Local\Programs\MiKTeX\tex/latex/amsfonts\umsa.fd)
(C:\Users\anton\AppData\Local\Programs\MiKTeX\tex/latex/amsfonts\umsb.fd)
[1] (tmp.aux) )
Output written on tmp.dvi (1 page, 304 bytes).
Transcript written on tmp.log.
This is dvipng 1.16 Copyright 2002-2015, 2019 Jan-Ake Larsson

Sorry, but dvipng did not succeed.

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

C:\Users\anton\AppData\Local\MiKTeX\miktex\log\dvipng.log

does anyone know how to solve?