Onwards Java Version 8U25, there are two security Level only High and Very High only. Therefore, for many website like income tax efiling, MCA , EPF and may be any other website, JAVA show the error like ' Application Blocked by Security Setting' or " Your Security Settings have blocked a application from running" or 'Application Blocked by JAVA Security'

Follow the below procedure to fix this issue:

1. Install the applicable version of JAVA compatible with the concerned website.
2. Go to the Java Control panel reduce the Security Level to medium and follow the below procedure.
3. Java control panel >> programs >> JAVA >> Security >> Edit site list >> Add >> Enter the site address as http://incometaxindiaefiling.gov.in.
4. Java Control panel >> programs >> JAVA >> Advanced >> Perform Certificate revocation checks on >> Select Do not check (not recommended).
5. Refresh the Browser or restart your computer.