Update KB 900725 failed...can anyone help?

Kb 900725 keeps failing ...I've tried windows update and I've tried
downloading and installing it manually......below is the info from the update
log...if anyone can help....?


2006-01-21 10:43:20 1056 584 DnldMgr ** START ** DnldMgr: Downloading
updates [CallerId = WindowsUpdate]
2006-01-21 10:43:20 1056 584 DnldMgr *********
2006-01-21 10:43:20 1056 584 DnldMgr * Priority = 3, ServiceId =
{9482F4B4-E343-43B6-B170-9A65BC822C77}
2006-01-21 10:43:20 1056 584 DnldMgr * Updates to download = 1
2006-01-21 10:43:20 1056 584 Agent * Title = Security Update for Windows
XP (KB900725)
2006-01-21 10:43:20 1056 584 Agent * UpdateId =
{6D5B814E-201C-4F9B-965A-6672F85CEB9A}.101
2006-01-21 10:43:20 1056 584 Agent * Bundles 1 updates:
2006-01-21 10:43:20 1056 584 Agent *
{7EE431A0-0D1B-4656-B7E8-48DA2A507C5E}.101
2006-01-21 10:43:20 3160 c5c Misc =========== Logging initialized (build:
5.8.0.2469, tz: -0500) ===========
2006-01-21 10:43:20 3160 c5c Misc = Process: C:\WINDOWS\system32\wuauclt.exe
2006-01-21 10:43:20 3160 c5c Misc = Module: C:\WINDOWS\system32\wuaueng.dll
2006-01-21 10:43:20 3160 c5c DtaStor Update service properties: service
registered with AU is {9482F4B4-E343-43B6-B170-9A65BC822C77}
2006-01-21 10:43:20 3160 c5c DtaStor WARNING: Update Service: Failed to
update backup store
2006-01-21 10:43:20 1056 584 DnldMgr *********** DnldMgr: New download job
[UpdateId = {7EE431A0-0D1B-4656-B7E8-48DA2A507C5E}.101] ***********
2006-01-21 10:43:20 1056 584 DnldMgr WARNING: CheckIfDirExists returned
error 0x8007010b.
2006-01-21 10:43:20 1056 584 DnldMgr * Queueing update for download
handler request generation.
2006-01-21 10:43:20 1056 584 DnldMgr Generating download request for update
{7EE431A0-0D1B-4656-B7E8-48DA2A507C5E}.101
2006-01-21 10:43:20 1056 584 DnldMgr FATAL:
DM:CAgentDownloadManager::GenerateAllDownloadReque sts:
SusCopyDirectoryContents failed with 0x8007010b.
2006-01-21 10:43:20 1056 584 DnldMgr Error 0x8007010b occurred while
downloading update; notifying dependent calls.
2006-01-21 10:43:20 3160 c5c DtaStor Update service properties: service
registered with AU is {9482F4B4-E343-43B6-B170-9A65BC822C77}
2006-01-21 10:43:20 3160 c5c DtaStor WARNING: Update Service: Failed to
update backup store
2006-01-21 10:43:20 1056 584 Agent *********
2006-01-21 10:43:20 1056 584 Agent ** END ** Agent: Downloading updates
[CallerId = WindowsUpdate]
2006-01-21 10:43:20 1056 584 Agent *************