To rectify this problem: –
- Open income tax e-filing portal (https://incometaxindiaefiling.gov.in) in external browser. (e.g. chrome / opera)
- Click on login button. Browser will show “Your connection is not private” page.
- Click on Not secure / Lock button appearing left side of the address bar . Then click on Certificate.
- Click on Certificate Path tab and then click on first entry (appearing with red mark) and then click on View Certificate button.
- Click on Details tab and then click on “Copy to File” button.
- Save the file in some folder (e.g. Documents) give any name to file.
- Go to Control Panel and then click on “Internet options”.
- Click on Content tab and then click on “Certificates” button.
- Click on “Trusted Root Certificate Authorities” tab and then click on “Import” button. Select the file saved in step 6.
- The exported certificate shall now be shown in certificates list.
- Restart Browser / Catax.