Scheduled jobs no longer running but working previously

[clark]

I'm running VVlauncher as a service and scheduled backups were executing OK, but jobs have stopped running

After logging on to the machine on which VVpro is installed, I can see that the VVlauncher service is running, and I can select run task from inside VVscheduler and a job starts and runs

please help with this error:

"_viceversapr2_task_backup_sql_DB_backup.job" (schedstub.exe) 9/24/2007 11:00:01 PM ** ERROR **
The attempt to retrieve account information for the specified task failed; therefore, the task did not run. Either an error occurred, or no account information existed for the task.
The specific error is:
0x800706fd: The trust relationship between this workstation and the primary domain failed.

[TGRMN Software]

I am afraid this looks like a Windows (Scheduler) error ... I tried searching on Google, but there are many many pages about this error, but none is too clear..
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