New installation? OS? You should find a plenty of open thread on the community regarding this error...
Please replicate the issue and send the logs over to me as Direct/Private message (upload the logs to any fileshare drive and share the download link).
Logs would be normally stored under:
C:\ProgramData\Pulse Secure or Juniper Networks\Logging\debuglog.log and debuglog.log.old
C:\Users\Public\Pulse Secure or Juniper Networks\Logging\debuglog.log and debuglog.log.old
