error when backing up db using maintenance plan

I am gettnig following error when performing a backup using a maintenance plan:

Date 4/24/2007 11:01:23 AM
Log Job History (MaintenancePlan1.Subplan_1)

Step ID 1
Server 006-DEVSQL2005
Job Name MaintenancePlan1.Subplan_1
Step Name Subplan_1
Duration 00:00:09
Sql Severity 0
Sql Message ID 0
Operator Emailed
Operator Net sent
Operator Paged
Retries Attempted 0

Message
Executed as user: tcs\svcDBASQLAdmin. Microsoft (R) SQL Server Execute Package Utility Version 9.00.3042.00 for 64-bit Copyright (C) Microsoft Corp 1984-2005. All rights reserved. Started: 11:01:24 AM. The return value was unknown. The process exit code was -1073741819. The step failed.

I am able to use the transact sql generated by the maint plan and create a backup. is this a 64 bit issue?

HI Shahab,

Check for the error in the error log and let us know. It should be logged in the error log at the time your backup failed.

Jag