S-1 Tops Coregistration with ESD

Having problem with the running of Tops Coregistration. The running took 24hours and still running. there are 6 small windows opened of (Azimuth shift: ESD for overlap block) and have been at 66% and 33% for the longest time, do not know if its normal?

have you seen this? A process related to digital elevation models is taking forever to finish