So after a new update on my Computer at Work, I did once more download the installation. After compiling with context-mswin I got this file Command Line: context.exe --synctex=-1 "context-test.tex" Startup Folder: C:\Users\Hermann\Downloads\context-mswin\tex\texmf-context\tex\context\test\mkiv startup error : no format file given, quitting ____________________________________________________________________ ConTeXt Compilation Report (Pages: 0) Errors: 0 Warnings: 0 Bad Boxes: 0 Did I something wrong? Uschi