Severe error(s) occurred in phase PREP_INSTALL/SHDINST_OS Last error code set: Process H:\SUM\abap\exe/sapstartsrv.exe exited with -1

Hi Experts ,

Currently performing EHP7 upgrade I have faced error during the configuration phase , below attached was the error screenshot .

error logs shows the below :

Executing module 'PREP_INSTALL'.

Execution of PREPARE module "Installation" begins at 20140302202456

# Starting phase execution with maxpar = 6, scheduled: 14x'-'

CURRENTPHASE PREP_INSTALL/SHDINST_OS
...started at 20140302202456
# Using phase log file 'SHDINST_OS.LOG'.
..finished at 20140302202457 with status ABORTED.
# Error message set: 'Process H:\SUM\abap\exe/sapstartsrv.exe exited with -1, see 'H:\SUM\abap\log\SAPup.ECO' for details'

.begin dialog at 20140302202459

SHDINST_OS log :

1 ETQ399 Possibly the password for user ISNET\SAPServiceDEC entered in phase

1 ETQ399 INITPUT was wrong. You can reset it by calling 'SAPup set stdpar'.

1 ETQ399 Try to execute SAPSTARTSRV.EXE manually using the following syntax:

1 ETQ399 H:\SUM\abap\exe\sapstartsrv.exe -r

1 ETQ399 -p H:\SUM\abap\DEC\SYS\profile\START_DVEBMGS01_SAPECCDV -s DEC -n 01

1 ETQ399 -U ISNET\SAPServiceDEC -P <PASSWORD> -e ISNET\decadm

1 ETQ399 and check if the service SAPDEC_01 can be stopped and restarted.

1EETQ399 Last error code set is: Process H:\SUM\abap\exe/sapstartsrv.exe exited with -1, see 'H:\SUM\abap\log\SAPup.ECO' for details

1EETQ204 Upgrade phase "SHDINST_OS" aborted with severe errors ("20140302202457")

Kindly advice to fix