04 June 2012
You can re-register the digital signature and try again. As the message says the digital signature might got invalid due to some problem. If you cant register it again it means its invalid then take new DSC
04 June 2012
1)Please check whether DIN is updated with PAN by filing DIN-4. 2)Also check whether the following software's are installed in your PC:- (a) Windows XP ( SP3 )/ Windows Vista /Windows 7, (b)Internet Explorer v6.0 and above (c)Adobe Reader V 9.4 and lower versions (d)Java Runtime Environment (JRE) 1.6 updated version 30