DSC association issue on MCA portal

I have been trying for a month to associate DSC s on the MCA portal in order to file the MGT 7 A form on V2 portal. It always shows a error and I quote please start the emsigner.

I have done every possible solution i could find on the internet.

Also facing the same issue while associating DSCs on V3 portal for form 8 filling

Your suggestions will be of great help Thank you