Dear Customer,
Thanks for contacting Syncfusion Support.
While installing the Essential studio, all the frame work version assemblies are shipped in our system.
Please ensure the below location whether Syncfusion assemblies for all the framework has been installed.
Dlls Location: [Installation Location]\Syncfusion\Essential Studio\[Version]\Assemblies\[Framework Version]
Please find the screenshot regarding the installation location,
If you are still facing the problem, kindly provide detailed information about your system configuration. It would be helpful for us to analyze further.
Regards,
Devi