@matias.lynch ,
Is your workflow available under the same project folder? then give a relative path instead of giving the absolute path.
eg: if it is inside the project folder
just give “filename.xaml” only instead of C:\users\matia\Onedrive\project folder\filename.xaml
Also make in a message box print the whole whole string you are giving and copy and paste it in run command and try to open
eg:
