Program exit code 259 in SCCM Cllient

Hi,
I am getting Error "Program exit code 259" in Execmgr.log while installing symantec backup tool on sccm client.

Execmgr.log:

Execution Request for package C010194B program Symantec Backup Exec System Recovery v8.5.3.314-0 state change from Running to NotifyExecution execmgr 8/26/2009 1:09:52 AM 448 (0x01C0)
Checking content location C:\WINDOWS\system32\CCM\Cache\C010194B.1.System for use execmgr 8/26/2009 1:09:52 AM 448 (0x01C0)
Successfully selected content location C:\WINDOWS\system32\CCM\Cache\C010194B.1.System execmgr 8/26/2009 1:09:52 AM 448 (0x01C0)
Executing program as a script execmgr 8/26/2009 1:09:52 AM 448 (0x01C0)
Successfully prepared command line "C:\WINDOWS\system32\CCM\Cache\C010194B.1.System\loader.EXE" /s CM_DSLID=002FDA execmgr 8/26/2009 1:09:52 AM 448 (0x01C0)
Command line = "C:\WINDOWS\system32\CCM\Cache\C010194B.1.System\loader.EXE" /s CM_DSLID=002FDA, Working Directory = C:\WINDOWS\system32\CCM\Cache\C010194B.1.System\ execmgr 8/26/2009 1:09:52 AM 448 (0x01C0)
Created Process for the passed command line execmgr 8/26/2009 1:09:52 AM 448 (0x01C0)
Raising event:
[SMS_CodePage(437), SMS_LocaleID(1033)]
instance of SoftDistProgramStartedEvent
{
 AdvertisementId = "N0120AAD";
 ClientID = "GUID:C7E780C0-72FE-4876-B3B3-ACC7E7AB5D71";
 CommandLine = "\"C:\\WINDOWS\\system32\\CCM\\Cache\\C010194B.1.System\\loader.EXE\" /s CM_DSLID=002FDA";
 DateTime = "20090826050952.320000+000";
 MachineName = "WFSLUSLVA8DYW";
 PackageName = "C010194B";
 ProcessID = 3876;
 ProgramName = "Symantec Backup Exec System Recovery v8.5.3.314-0";
 SiteCode = "N02";
 ThreadID = 448;
 UserContext = "NT AUTHORITY\\SYSTEM";
 WorkingDirectory = "C:\\WINDOWS\\system32\\CCM\\Cache\\C010194B.1.System\\";
};
 execmgr 8/26/2009 1:09:52 AM 448 (0x01C0)
Raised Program Started Event for Ad:N0120AAD, Package:C010194B, Program: Symantec Backup Exec System Recovery v8.5.3.314-0 execmgr 8/26/2009 1:09:52 AM 448 (0x01C0)
Execution Manager timer has been fired. execmgr 8/26/2009 1:12:03 AM 2228 (0x08B4)
Program exit code 259 execmgr 8/26/2009 2:09:52 AM 5392 (0x1510)