The following is logged in the installation log file:
[ERR] Error! Exception when trying to stop Service: QlikSenseRepositoryDatabase in: 60 s: Cannot open 'QlikSenseRepositoryDatabase' service on computer '.'.. Please make sure you are running the application as an administrator. [INF] QlikSenseRepositoryDatabase was stopped [WRN] The service: QlikSenseRepositoryDatabase could not be stopped, tryin to kill process... [INF] Trying to kill process: 7440 [INF] Found process, checking status [INF] Could not kill process for some reason: Access denied [ERR] Error! Failure while: QlikSenseRepositoryDatabase