You need to follow the steps given below:

1. In Internet Explorer, click on Tools > Internet Options > Security.
2. Click “Internet” and “Default Level” button and change the Security Settings to “Medium”.
3. Click “Custom Level” Button.
4. Enable the “Download Signed ActiveX controls” option.
5. Enable the “Run ActiveX controls and Plugins” option.
6. Enable the “Script ActiveX controls marked safe for scripting” option.

Please refer the steps given in the Validate Incorporation Certificate.pdf to resolve this.

Please follow the following steps to update your expired DSC:-
1. Go to MCA21 Portal (www.mca.gov.in/MCA21).
2. Go to the ‘Services’ tab on the Home page
3. Click on the ‘Register Digital Signature’ link
4. Click on the link “Update DSC for Bank Official/Nodal Administrator”
5. Fill-up the mandatory particulars like
a) User Id of Bank Official/Nodal Administrator
b) Name
c) Email Id
6. Click on the 'Next' button
7. Select the Digital Certificate
8. Submit