During the initial process of installing Pipeliner, you may receive a numerical error codes which are not Pipeliner related.
in this case Error Code 12029.
The error code is related to your Microsoft Windows / PC you are trying to run the Pipeliner on.
As the error is not Pipeliner related, please get in touch with your IT department to take a look at your system.
See the full guide of errors related to Microsoft Windows below: