Has anyone had trouble getting Definition Update for Windows Defender - KB915597 (Definition 1.63.118.0) to install? I get a failure every time, regardless of reboot. It is the responsibility and duty of everyone to help the underprivileged and unfortunate among us.

Here are a few things to try, one of which may resolve the problem: 1. Sometimes the update log will give a clue as to the reason/error. Go to the Windows Orb (Start), type %windir%\windowsupdate.log and press Enter. To find the error(s), go to the end of the file (Ctrl+End) then use Find (Ctrl+F) to check for the word 'fatal', use search Up to search upwards from the end of the file. 2. You could try stopping the Windows Update service, rename the software distribution folder then restart the service, as follows:- Make sure you are logged on as an Administrator, click the Windows Orb (Start), type services.msc and press Enter. Scroll down to Windows Update service, right-click it then click Stop.- Click the Windows Orb (Start), type %windir% in the Start Search box and then press Enter. Locate and rename the SoftwareDistribution folder to, say, SoftwareDistributionOLD. By renaming the folder your update history will appear to have been erased as it is not presented to the Windows Update website. However, updates can still be viewed by going to Control Panel > All Control Panel Items > Programs and Features > View Installed Updates.- Go back to Administrative Tools > Windows Update service (Provide the Administrator password or confirmation if prompted to do so), right-click it then click Start. Try to download the missing updates again. 3. Go to Internet Options > Security Tab > 'Trusted sites' icon > click Sites then uncheck 'Require server verification' and add these two entries http://*.windowsupdate.microsoft.com and http://*.windowsupdate.com.Click Close, Apply and OK.

Thanks for the prompt reply, BurrWalnut. I appreciate it very much. Anyway, the update installed successfully after I made the post. Go figure. I pulled some information from the update log, which I have listed below. I have no idea what caused the failures. 2009-07-23 10:59:34:934 1108 eb0 DnldMgr BITS job {8C623C48-7A3A-4B25-ADAB-003C1662880F} hit a transient error, updateId = {31814384-8689-4E1D-B452-37A5FE5DCD58}.100, error = 0x80072F78 2009-07-23 10:59:34:934 1108 eb0 DnldMgr Attempt no. 1 to resume the job 2009-07-23 10:59:35:074 1108 f6c DnldMgr BITS job {8C623C48-7A3A-4B25-ADAB-003C1662880F} hit a transient error, updateId = {31814384-8689-4E1D-B452-37A5FE5DCD58}.100, error = 0x80072F78 2009-07-23 10:59:35:074 1108 f6c DnldMgr Attempt no. 2 to resume the job 2009-07-23 10:59:35:230 1108 f6c DnldMgr BITS job {8C623C48-7A3A-4B25-ADAB-003C1662880F} hit a transient error, updateId = {31814384-8689-4E1D-B452-37A5FE5DCD58}.100, error = 0x80072F78 2009-07-23 10:59:35:230 1108 f6c DnldMgr Attempt no. 3 to resume the job 2009-07-23 10:59:35:371 1108 eb4 DnldMgr BITS job {8C623C48-7A3A-4B25-ADAB-003C1662880F} hit a transient error, updateId = {31814384-8689-4E1D-B452-37A5FE5DCD58}.100, error = 0x80072F78 2009-07-23 10:59:35:371 1108 eb4 DnldMgr Will not attempt to resume the job as it has reached the maximum number of attempts. 2009-07-23 10:59:35:371 1108 eb4 DnldMgr Error 0x80072f78 occurred while downloading update; notifying dependent calls. 2009-07-23 10:59:35:371 1108 b10 AU >>## RESUMED ## AU: Download update [UpdateId = {67A6F1F6-C92D-4124-800C-AA3AADFCDC84}] 2009-07-23 10:59:35:371 1108 b10 AU # WARNING: Download failed, error = 0x80072F78 2009-07-23 11:01:12:871 1108 f24 DnldMgr BITS job {8C623C48-7A3A-4B25-ADAB-003C1662880F} hit a transient error, updateId = {31814384-8689-4E1D-B452-37A5FE5DCD58}.100, error = 0x80072F78 2009-07-23 11:01:12:871 1108 f24 DnldMgr Attempt no. 1 to resume the job 2009-07-23 11:01:13:027 1108 f24 DnldMgr BITS job {8C623C48-7A3A-4B25-ADAB-003C1662880F} hit a transient error, updateId = {31814384-8689-4E1D-B452-37A5FE5DCD58}.100, error = 0x80072F78 2009-07-23 11:01:13:027 1108 f24 DnldMgr Attempt no. 2 to resume the job 2009-07-23 11:01:13:167 1108 f2c DnldMgr BITS job {8C623C48-7A3A-4B25-ADAB-003C1662880F} hit a transient error, updateId = {31814384-8689-4E1D-B452-37A5FE5DCD58}.100, error = 0x80072F78 2009-07-23 11:01:13:167 1108 f2c DnldMgr Attempt no. 3 to resume the job 2009-07-23 11:01:13:307 1108 f24 DnldMgr BITS job {8C623C48-7A3A-4B25-ADAB-003C1662880F} hit a transient error, updateId = {31814384-8689-4E1D-B452-37A5FE5DCD58}.100, error = 0x80072F78 2009-07-23 11:01:13:307 1108 f24 DnldMgr Will not attempt to resume the job as it has reached the maximum number of attempts. 2009-07-23 11:01:13:307 1108 f24 DnldMgr Error 0x80072f78 occurred while downloading update; notifying dependent calls. 2009-07-23 11:01:13:307 1108 b10 AU >>## RESUMED ## AU: Download update [UpdateId = {67A6F1F6-C92D-4124-800C-AA3AADFCDC84}] 2009-07-23 11:01:13:307 1108 b10 AU # WARNING: Download failed, error = 0x80072F78 DnldMgr BITS job {8C623C48-7A3A-4B25-ADAB-003C1662880F} hit a transient error, updateId = {31814384-8689-4E1D-B452-37A5FE5DCD58}.100, error = 0x80072F78 2009-07-24 08:23:16:660 1120 e28 DnldMgr Attempt no. 1 to resume the job 2009-07-24 08:23:16:832 1120 a90 DnldMgr BITS job {8C623C48-7A3A-4B25-ADAB-003C1662880F} hit a transient error, updateId = {31814384-8689-4E1D-B452-37A5FE5DCD58}.100, error = 0x80072F78 2009-07-24 08:23:16:832 1120 a90 DnldMgr Attempt no. 2 to resume the job 2009-07-24 08:23:16:988 1120 e28 DnldMgr BITS job {8C623C48-7A3A-4B25-ADAB-003C1662880F} hit a transient error, updateId = {31814384-8689-4E1D-B452-37A5FE5DCD58}.100, error = 0x80072F78 2009-07-24 08:23:16:988 1120 e28 DnldMgr Attempt no. 3 to resume the job 2009-07-24 08:23:17:160 1120 a90 DnldMgr BITS job {8C623C48-7A3A-4B25-ADAB-003C1662880F} hit a transient error, updateId = {31814384-8689-4E1D-B452-37A5FE5DCD58}.100, error = 0x80072F78 2009-07-24 08:23:17:160 1120 a90 DnldMgr Will not attempt to resume the job as it has reached the maximum number of attempts. 2009-07-24 08:23:17:160 1120 a90 DnldMgr Error 0x80072f78 occurred while downloading update; notifying dependent calls. 2009-07-24 08:23:17:175 1120 d30 AU >>## RESUMED ## AU: Download update [UpdateId = {67A6F1F6-C92D-4124-800C-AA3AADFCDC84}] 2009-07-24 08:23:17:175 1120 d30 AU # WARNING: Download failed, error = 0x80072F78 08:30:48:375 1120 630 AU # Initiating manual install 2009-07-24 08:30:48:375 1120 630 AU # Approved updates = 1 2009-07-24 08:30:48:376 1120 630 AU <<## SUBMITTED ## AU: Install updates / installing updates [CallId = {B9948DDE-D51A-42B6-B7E5-BA859DBF2676}] 2009-07-24 08:30:48:376 1120 9ac Agent ************* 2009-07-24 08:30:48:376 1120 9ac Agent ** START ** Agent: Installing updates [CallerId = AutomaticUpdates] 2009-07-24 08:30:48:376 1120 9ac Agent ********* 2009-07-24 08:30:48:376 1120 9ac Agent * Updates to install = 1 2009-07-24 08:30:48:378 1120 9ac Agent * Title = Definition Update for Windows Defender - KB915597 (Definition 1.63.118.0) 2009-07-24 08:30:48:378 1120 9ac Agent * UpdateId = {67A6F1F6-C92D-4124-800C-AA3AADFCDC84}.100 2009-07-24 08:30:48:378 1120 9ac Agent * Bundles 1 updates: 2009-07-24 08:30:48:378 1120 9ac Agent * {31814384-8689-4E1D-B452-37A5FE5DCD58}.100 2009-07-24 08:30:49:371 1120 bf8 Report REPORT EVENT: {B599B69A-A1FF-4E7F-A0A3-7F188CD2B661} 2009-07-24 08:30:46:886-0400 1 162 101 {67A6F1F6-C92D-4124-800C-AA3AADFCDC84} 100 0 AutomaticUpdatesWuApp Success Content Download Download succeeded. 2009-07-24 08:30:49:371 1120 bf8 Report REPORT EVENT: {517FD06C-1B8F-4098-800D-6A5D0E144A50} 2009-07-24 08:30:46:887-0400 1 189 102 {00000000-0000-0000-0000-000000000000} 0 0 AutomaticUpdates Success Content Install Installation Ready: The following updates are downloaded and ready for installation. To install the updates, an administrator should log on to this computer and Windows will prompt with further instructions: - Definition Update for Windows Defender - KB915597 (Definition 1.63.118.0) 2009-07-24 08:30:49:371 1120 bf8 Report CWERReporter finishing event handling. (00000000) 2009-07-24 08:30:52:858 1120 630 AU Getting featured update notifications. fIncludeDismissed = true 2009-07-24 08:30:52:859 1120 630 AU No featured updates available. 2009-07-24 08:31:07:386 1120 9ac DnldMgr Preparing update for install, updateId = {31814384-8689-4E1D-B452-37A5FE5DCD58}.100. 2009-07-24 08:31:07:498 548 420 Misc =========== Logging initialized (build: 7.3.7100.0, tz: -0400) =========== 2009-07-24 08:31:07:499 548 420 Misc = Process: C:\Windows\system32\wuauclt.exe 2009-07-24 08:31:07:499 548 420 Misc = Module: C:\Windows\system32\wuaueng.dll 2009-07-24 08:31:07:498 548 420 Handler ::::::::::::: 2009-07-24 08:31:07:499 548 420 Handler :: START :: Handler: Command Line Install 2009-07-24 08:31:07:499 548 420 Handler ::::::::: 2009-07-24 08:31:07:499 548 420 Handler : Updates to install = 1 2009-07-24 08:31:18:201 548 420 Handler : Command line install completed. Return code = 0x00000000, Result = Succeeded, Reboot required = false 2009-07-24 08:31:18:201 548 420 Handler ::::::::: 2009-07-24 08:31:18:202 548 420 Handler :: END :: Handler: Command Line Install 2009-07-24 08:31:18:202 548 420 Handler ::::::::::::: 2009-07-24 08:31:18:215 1120 d30 AU >>## RESUMED ## AU: Installing update [UpdateId = {67A6F1F6-C92D-4124-800C-AA3AADFCDC84}, succeeded] 2009-07-24 08:31:18:221 1120 9ac Agent ********* 2009-07-24 08:31:18:221 1120 9ac Agent ** END ** Agent: Installing updates [CallerId = AutomaticUpdates] 2009-07-24 08:31:18:221 1120 9ac Agent ************* 2009-07-24 08:31:18:221 1120 d30 AU Install call completed. 2009-07-24 08:31:18:221 1120 d30 AU # WARNING: Install call completed, reboot required = No, error = 0x00000000 2009-07-24 08:31:18:222 1120 d30 AU ######### 2009-07-24 08:31:18:222 1120 d30 AU ## END ## AU: Installing updates [CallId = {B9948DDE-D51A-42B6-B7E5-BA859DBF2676}] 2009-07-24 08:31:18:222 1120 d30 AU ############# 2009-07-24 08:31:18:222 1120 d30 AU Install complete for all calls, reboot NOT neededIt is the responsibility and duty of everyone to help the underprivileged and unfortunate among us.

Hi C.B,that could be a BITS problem,have you checked if the BITS service is running ok? sorry but this time i dont really know how to go too much in depth but for what i read in you logs looks like BITS job issue,so wait for the guys help you more..Best regards,RR

Thanks for the reply, Curious. I appreciate your assistance.It is the responsibility and duty of everyone to help the underprivileged and unfortunate among us.

CB,Can you trythe following:1.Stopthe windows update service (Net Stop "Windows Update")2. Rename the C:\Windows\SoftwareDistribution to C:\Windows\SoftwareDistribution.OLD (REN C:\Windows\SoftwareDistributionC:\Windows\SoftwareDistribution.OLD) 3. Start the windows update service(Net Start "Windows Update")Does this resolves your problem?Kind regardsDFTIM me - TWiTTer: @DFTER

CB, Can you try the following: 1. Stop the windows update service (Net Stop "Windows Update") 2. Rename the C:\Windows\SoftwareDistribution to C:\Windows\SoftwareDistribution.OLD (REN C:\Windows\SoftwareDistribution C:\Windows\SoftwareDistribution.OLD) 3. Start the windows update service(Net Start "Windows Update") Does this resolves your problem? Kind regards DFT IM me - TWiTTer: @DFTER I found an easier way to fix the failed update problem. Follow the map to C:\windows\softwaredistribution right-click on it and change the attributes to ALLOW > don't forget to save when you are done. BB