September 28, 2023 at 10:56 pm
Lito
Ansys Employee

@KIRTI RANJAN DAS, 

Please remove the Lumerical product preference.ini files from your user folder on your computer. See this Knowledge Base (KB) for details/instructions. 

Your IT/Network security is probably blocking access from our application to our servers. Try to download the examples from the Ansys Optics Application Gallery (Apps) website.