Aadhaar version is not available or is invalid error while opening ECA & ECMP

What is ECA file in Aadhaar?

Aadhaar Enrolment Client Administration is an command line application to invoke the Aadhar Administration for registration, enrolment and other aadhaar configuration.

What is an ECMP cmd file?

It is a command line file used to invoke the application of Aadhaar Enrolment Client which will do aadhaar transaction in the Aadhaar Enrolment center.

Error:

Aadhaar Version Error | Adhar version not available error | Adhaar version is invalid. Please reinstall the application | Solution for ECP Version and ECMP Version error in Aadhaar Center