# [HLPRD_PID_FILE](https://apps.juniper.net/syslog-explorer/?msg=HLPRD_PID_FILE)

## SYSLOG Details
- **Message**: Unable to update PID file: <variable>error-message</variable>
- **Help**: helperd could not update its PID lock file
- **Description**: After daemonizing, helperd failed to write its current PID to the lock file; the syslog message includes the system error.
- **Type**: Event: This message reports an event, not an error
- **Severity**: error
- **Cause**: -
- **Action**: -
- **Attributes**: error-message
- **Facility**: LOG_DAEMON

## Found this message in the following releases:
- [Junos OS 26.2R1](https://apps.juniper.net/syslog-explorer/?msg=HLPRD_PID_FILE&sw=Junos%20OS&rel=26.2R1)