[FATAL error while installing jasperreport server 6.2.0 for windows]

I'm trying to install the jaserserver for windows on my laptop and I keep getting this error that stops the install. have you seen this error before?

 

LOG:  database system was shut down at 2016-03-01 15:56:18 PST

LOG:  MultiXact member wraparound protections are now enabled

LOG:  database system is ready to accept connections

LOG:  autovacuum launcher started

FATAL:  role "gromero" does not exist