MSIEXEC taking a long time to complete

**Tripredacus** · May 11, 2011

This occurs with a Windows Installer package in Audit Mode. Testing in normal mode isn't really within the scope of how my software operates. It doesn't matter if it is done with 32 or 64bit OS. I have noticed it happening with multiple different installers, from notebook SCMs, Windows Live and Bluetooth software. The setup program will exit when "it is done" but it won't wait for the MSIEXEC it spawns to finish. So originally I had problems when my installer app would want to reboot the system before the install was actually finished. After adding in a "please wait" screen, it became obvious that MSIEXEC was taking a really long time to complete its task. So I went about debugging it.

I ran a Procmon on it, and found that after the main installation was done, MSIEXEC would just kinda sit around and not do much of anything. Or if it was waiting on something, I can't see what it is doing by just monitoring MSIEXEC. The time is off in the log because the deployment test has a reset BIOS. Here is a timeline of events using Windows Live as an example. It logged over 1,000,000 events so I'm not posting the log file. If you want I can try putting it up on SkyDrive.

@ 7:08:55 msiexec.exe creates its thread and begins the install

@ 7:13:15 the install is (for all intents and purposes) finished, but msiexec does not exit.

@ 7:13:23 Thread Exit

@ 7:13:29 Thread Exit

@ 7:13:56 Thread Exit

@ 7:14:22 Thread Exit

@ 7:15:02 Thread Exit

@ 7:16:25 Thread Create

@ 7:17:25 Thread Exit

@ 7:17:32 Thread Exit

@ 7:18:53 Thread Create

@ 7:20:00 Thread Exit

@ 7:22:13 Thread Create

@ 7:22:13 Thread Exit

@ 7:23:15 Thread Create

@ 7:23:15 RegCloseKey HKCR

At the point of the RegCloseKey, the normal msiexec events show up and the process exits in less than 0.001 seconds. But you can see above there is a period of time, about 10 minutes of NOTHING being logged by MSIEXEC. So what is it doing during this time and what can be done to speed it up a little?

Note: if the install is cancelled due to a reboot occurring at (say) the 7:13 mark, msiexec will rollback the installation!

Attached is the msiexec.exe process info from ProcExp at about 7:15, during the "nothing doing" phase.

Any ideas?

msiexec.exe.txt

**Tripredacus** · July 19, 2011

I wanted to do an update, as I'm still testing this. I did another deployment test. Here is the general summary:

@ 13:52: The first program begins an install ( .NET Framework v4.0 ) and takes less than 1 minute.

@ 13:56: The last program begins an install ( Realtek CardReader ) and takes less than 1 minute.

@ 14:06: Windows Installer service is stopped ( MSIEXEC exits )

So even in this case, there is a 10 minute window of seeming inactivity. So I looked everywhere for anything that occurs between 13:56:55 and 14:06. Here is that info.

@ 13:56: The last program begins an install ( Realtek CardReader ) and takes less than 1 minute.

@ 13:57:28: LoadPerf (1001): Performance counters for WmiApRpl service were removed successfully. The Record Data contains the new values of the system Last Counter and Last Help registry entries.

@ 13:57:29: LoadPerf (1000): Performance counters for the WmiApRpl service were loaded successfully. The Record Data in the data sections contains the new index values assigned to this service.

@ 13:58:52: SCM (7040): The start type of the Windows Modules Installer service was changed from demand start to auto start.

@ 13:59:?? There are 29 edb.log (and edb00xxx.log) files that have this datestamp in C:\Windows\System32\catroot2. I do not have the program to read these files.

@ 13:59:52 - 14:00:18: This in CBS log

2011-07-20 13:58:52, Info                  CBS    Reboot mark refs incremented to: 1
2011-07-20 13:58:52, Info                  CBS    Scavenge: Starts
2011-07-20 13:59:59, Info                  CSI    00000030@2011/7/20:20:59:59.638 CSI Transaction @0x50f530 initialized for deployment engine {d16d444c-56d8-11d5-882d-0080c847b195} with flags 00000002 and client id [10]"TI6.0_0:0/"

2011-07-20 13:59:59, Info                  CBS    Scavenge: Begin CSI Store
2011-07-20 13:59:59, Info                  CSI    00000031 Performing 1 operations; 1 are not lock/unlock and follow:
  Scavenge (8): flags: 00000017
2011-07-20 14:00:00, Info                  CSI    00000032 Creating NT transaction (seq 6), objectname [6]"(null)"
2011-07-20 14:00:00, Info                  CSI    00000033 Created NT transaction (seq 6) result 0x00000000, handle @0x198
2011-07-20 14:00:05, Info                  CSI    00000034@2011/7/20:21:00:05.847 CSI perf trace:
CSIPERF:TXCOMMIT;457462
2011-07-20 14:00:05, Info                  CSI    00000035 Creating NT transaction (seq 7), objectname [6]"(null)"
2011-07-20 14:00:05, Info                  CSI    00000036 Created NT transaction (seq 7) result 0x00000000, handle @0x198
2011-07-20 14:00:12, Info                  CSI    00000037@2011/7/20:21:00:12.196 CSI perf trace:
CSIPERF:TXCOMMIT;637418
2011-07-20 14:00:12, Info                  CSI    00000038 Creating NT transaction (seq 8), objectname [6]"(null)"
2011-07-20 14:00:12, Info                  CSI    00000039 Created NT transaction (seq 8) result 0x00000000, handle @0x198
2011-07-20 14:00:17, Info                  CSI    0000003a@2011/7/20:21:00:17.219 CSI perf trace:
CSIPERF:TXCOMMIT;613345
2011-07-20 14:00:18, Info                  CSI    0000003b ICSITransaction::Commit calling IStorePendingTransaction::Apply - coldpatching=FALSE applyflags=7
2011-07-20 14:00:18, Info                  CSI    0000003c Creating NT transaction (seq 9), objectname [6]"(null)"
2011-07-20 14:00:18, Info                  CSI    0000003d Created NT transaction (seq 9) result 0x00000000, handle @0x594
2011-07-20 14:00:18, Info                  CSI    0000003e@2011/7/20:21:00:18.701 CSI perf trace:
CSIPERF:TXCOMMIT;383598
2011-07-20 14:00:18, Info                  CBS    Scavenge: Completed, disposition: 0X1
2011-07-20 14:00:18, Info                  CSI    0000003f@2011/7/20:21:00:18.717 CSI Transaction @0x50f530 destroyed
2011-07-20 14:00:18, Info                  CBS    Reboot mark refs: 0
2011-07-20 14:00:18, Info                  CBS    Idle processing thread terminated normally
2011-07-20 14:00:18, Info                  CBS    Ending the TrustedInstaller main loop.
2011-07-20 14:00:18, Info                  CBS    Starting TrustedInstaller finalization.
2011-07-20 14:00:18, Info                  CBS    Ending TrustedInstaller finalization.

@ 14:00:18: SCM (7040): The start type of the Windows Modules Installer service was changed from auto start to demand start.

@ 14:00:18: SCM (7036): The Windows Modules Installer service entered the stopped state.

@ 14:05:02 Windows Defender tries to get updates, as noted in WindowsUpdate.log:

2011-07-20	14:05:02:762	3792	e08	Misc	===========  Logging initialized (build: 7.5.7601.17514, tz: -0700)  ===========
2011-07-20	14:05:02:762	3792	e08	Misc	  = Process: c:\program files\windows defender\MpCmdRun.exe
2011-07-20	14:05:02:762	3792	e08	Misc	  = Module: C:\Windows\system32\wuapi.dll
2011-07-20	14:05:02:762	3792	e08	COMAPI	-------------
2011-07-20	14:05:02:762	3792	e08	COMAPI	-- START --  COMAPI: Search [ClientId = Windows Defender]
2011-07-20	14:05:02:762	3792	e08	COMAPI	---------
2011-07-20	14:05:02:762	 924	af4	Agent	*************
2011-07-20	14:05:02:762	3792	e08	COMAPI	<<-- SUBMITTED -- COMAPI: Search [ClientId = Windows Defender]
2011-07-20	14:05:02:762	 924	af4	Agent	** START **  Agent: Finding updates [CallerId = Windows Defender]
2011-07-20	14:05:02:762	 924	af4	Agent	*********
2011-07-20	14:05:02:762	 924	af4	Agent	  * Online = Yes; Ignore download priority = No
2011-07-20	14:05:02:762	 924	af4	Agent	  * Criteria = "(IsInstalled = 0 and IsHidden = 0 and CategoryIDs contains '8c3fcc84-7410-4a95-8b89-a166a0190486' and CategoryIDs contains 'e0789628-ce08-4437-be74-2495b842f43b')"
2011-07-20	14:05:02:762	 924	af4	Agent	  * ServiceID = {00000000-0000-0000-0000-000000000000} Third party service
2011-07-20	14:05:02:762	 924	af4	Agent	  * Search Scope = {Machine}
2011-07-20	14:05:05:601	 924	af4	Misc	WARNING: Send failed with hr = 80072ee7.
2011-07-20	14:05:05:601	 924	af4	Misc	WARNING: SendRequest failed with hr = 80072ee7. Proxy List used: <(null)> Bypass List used : <(null)> Auth Schemes used : <>
2011-07-20	14:05:05:601	 924	af4	Misc	WARNING: WinHttp: SendRequestUsingProxy failed for <http://download.windowsupdate.com/v9/windowsupdate/redir/muv4wuredir.cab>. error 0x8024402c
2011-07-20	14:05:05:601	 924	af4	Misc	WARNING: WinHttp: SendRequestToServerForFileInformation MakeRequest failed. error 0x8024402c
2011-07-20	14:05:05:601	 924	af4	Misc	WARNING: WinHttp: SendRequestToServerForFileInformation failed with 0x8024402c
2011-07-20	14:05:05:601	 924	af4	Misc	WARNING: WinHttp: ShouldFileBeDownloaded failed with 0x8024402c
2011-07-20	14:05:08:222	 924	af4	Misc	WARNING: Send failed with hr = 80072ee7.
2011-07-20	14:05:08:222	 924	af4	Misc	WARNING: SendRequest failed with hr = 80072ee7. Proxy List used: <(null)> Bypass List used : <(null)> Auth Schemes used : <>
2011-07-20	14:05:08:222	 924	af4	Misc	WARNING: WinHttp: SendRequestUsingProxy failed for <http://download.windowsupdate.com/v9/windowsupdate/redir/muv4wuredir.cab>. error 0x8024402c
2011-07-20	14:05:08:222	 924	af4	Misc	WARNING: WinHttp: SendRequestToServerForFileInformation MakeRequest failed. error 0x8024402c
2011-07-20	14:05:08:222	 924	af4	Misc	WARNING: WinHttp: SendRequestToServerForFileInformation failed with 0x8024402c
2011-07-20	14:05:08:222	 924	af4	Misc	WARNING: WinHttp: ShouldFileBeDownloaded failed with 0x8024402c
2011-07-20	14:05:10:843	 924	af4	Misc	WARNING: Send failed with hr = 80072ee7.
2011-07-20	14:05:10:843	 924	af4	Misc	WARNING: SendRequest failed with hr = 80072ee7. Proxy List used: <(null)> Bypass List used : <(null)> Auth Schemes used : <>
2011-07-20	14:05:10:843	 924	af4	Misc	WARNING: WinHttp: SendRequestUsingProxy failed for <http://download.windowsupdate.com/v9/windowsupdate/redir/muv4wuredir.cab>. error 0x8024402c
2011-07-20	14:05:10:843	 924	af4	Misc	WARNING: WinHttp: SendRequestToServerForFileInformation MakeRequest failed. error 0x8024402c
2011-07-20	14:05:10:843	 924	af4	Misc	WARNING: WinHttp: SendRequestToServerForFileInformation failed with 0x8024402c
2011-07-20	14:05:10:843	 924	af4	Misc	WARNING: WinHttp: ShouldFileBeDownloaded failed with 0x8024402c
2011-07-20	14:05:13:464	 924	af4	Misc	WARNING: Send failed with hr = 80072ee7.
2011-07-20	14:05:13:464	 924	af4	Misc	WARNING: SendRequest failed with hr = 80072ee7. Proxy List used: <(null)> Bypass List used : <(null)> Auth Schemes used : <>
2011-07-20	14:05:13:464	 924	af4	Misc	WARNING: WinHttp: SendRequestUsingProxy failed for <http://download.windowsupdate.com/v9/windowsupdate/redir/muv4wuredir.cab>. error 0x8024402c
2011-07-20	14:05:13:464	 924	af4	Misc	WARNING: WinHttp: SendRequestToServerForFileInformation MakeRequest failed. error 0x8024402c
2011-07-20	14:05:13:464	 924	af4	Misc	WARNING: WinHttp: SendRequestToServerForFileInformation failed with 0x8024402c
2011-07-20	14:05:13:464	 924	af4	Misc	WARNING: WinHttp: ShouldFileBeDownloaded failed with 0x8024402c
2011-07-20	14:05:13:464	 924	af4	Misc	WARNING: DownloadFileInternal failed for http://download.windowsupdate.com/v9/windowsupdate/redir/muv4wuredir.cab: error 0x8024402c
2011-07-20	14:05:16:085	 924	af4	Misc	WARNING: Send failed with hr = 80072ee7.
2011-07-20	14:05:16:085	 924	af4	Misc	WARNING: SendRequest failed with hr = 80072ee7. Proxy List used: <(null)> Bypass List used : <(null)> Auth Schemes used : <>
2011-07-20	14:05:16:085	 924	af4	Misc	WARNING: WinHttp: SendRequestUsingProxy failed for <http://download.microsoft.com/v9/windowsupdate/redir/muv4wuredir.cab>. error 0x8024402c
2011-07-20	14:05:16:085	 924	af4	Misc	WARNING: WinHttp: SendRequestToServerForFileInformation MakeRequest failed. error 0x8024402c
2011-07-20	14:05:16:085	 924	af4	Misc	WARNING: WinHttp: SendRequestToServerForFileInformation failed with 0x8024402c
2011-07-20	14:05:16:085	 924	af4	Misc	WARNING: WinHttp: ShouldFileBeDownloaded failed with 0x8024402c
2011-07-20	14:05:18:705	 924	af4	Misc	WARNING: Send failed with hr = 80072ee7.
2011-07-20	14:05:18:705	 924	af4	Misc	WARNING: SendRequest failed with hr = 80072ee7. Proxy List used: <(null)> Bypass List used : <(null)> Auth Schemes used : <>
2011-07-20	14:05:18:705	 924	af4	Misc	WARNING: WinHttp: SendRequestUsingProxy failed for <http://download.microsoft.com/v9/windowsupdate/redir/muv4wuredir.cab>. error 0x8024402c
2011-07-20	14:05:18:705	 924	af4	Misc	WARNING: WinHttp: SendRequestToServerForFileInformation MakeRequest failed. error 0x8024402c
2011-07-20	14:05:18:705	 924	af4	Misc	WARNING: WinHttp: SendRequestToServerForFileInformation failed with 0x8024402c
2011-07-20	14:05:18:705	 924	af4	Misc	WARNING: WinHttp: ShouldFileBeDownloaded failed with 0x8024402c
2011-07-20	14:05:21:311	 924	af4	Misc	WARNING: Send failed with hr = 80072ee7.
2011-07-20	14:05:21:311	 924	af4	Misc	WARNING: SendRequest failed with hr = 80072ee7. Proxy List used: <(null)> Bypass List used : <(null)> Auth Schemes used : <>
2011-07-20	14:05:21:311	 924	af4	Misc	WARNING: WinHttp: SendRequestUsingProxy failed for <http://download.microsoft.com/v9/windowsupdate/redir/muv4wuredir.cab>. error 0x8024402c
2011-07-20	14:05:21:311	 924	af4	Misc	WARNING: WinHttp: SendRequestToServerForFileInformation MakeRequest failed. error 0x8024402c
2011-07-20	14:05:21:311	 924	af4	Misc	WARNING: WinHttp: SendRequestToServerForFileInformation failed with 0x8024402c
2011-07-20	14:05:21:311	 924	af4	Misc	WARNING: WinHttp: ShouldFileBeDownloaded failed with 0x8024402c
2011-07-20	14:05:23:931	 924	af4	Misc	WARNING: Send failed with hr = 80072ee7.
2011-07-20	14:05:23:931	 924	af4	Misc	WARNING: SendRequest failed with hr = 80072ee7. Proxy List used: <(null)> Bypass List used : <(null)> Auth Schemes used : <>
2011-07-20	14:05:23:931	 924	af4	Misc	WARNING: WinHttp: SendRequestUsingProxy failed for <http://download.microsoft.com/v9/windowsupdate/redir/muv4wuredir.cab>. error 0x8024402c
2011-07-20	14:05:23:931	 924	af4	Misc	WARNING: WinHttp: SendRequestToServerForFileInformation MakeRequest failed. error 0x8024402c
2011-07-20	14:05:23:931	 924	af4	Misc	WARNING: WinHttp: SendRequestToServerForFileInformation failed with 0x8024402c
2011-07-20	14:05:23:931	 924	af4	Misc	WARNING: WinHttp: ShouldFileBeDownloaded failed with 0x8024402c
2011-07-20	14:05:23:931	 924	af4	Misc	WARNING: DownloadFileInternal failed for http://download.microsoft.com/v9/windowsupdate/redir/muv4wuredir.cab: error 0x8024402c
2011-07-20	14:05:26:552	 924	af4	Misc	WARNING: Send failed with hr = 80072ee7.
2011-07-20	14:05:26:552	 924	af4	Misc	WARNING: SendRequest failed with hr = 80072ee7. Proxy List used: <(null)> Bypass List used : <(null)> Auth Schemes used : <>
2011-07-20	14:05:26:552	 924	af4	Misc	WARNING: WinHttp: SendRequestUsingProxy failed for <http://www.update.microsoft.com/v9/windowsupdate/redir/muv4wuredir.cab>. error 0x8024402c
2011-07-20	14:05:26:552	 924	af4	Misc	WARNING: WinHttp: SendRequestToServerForFileInformation MakeRequest failed. error 0x8024402c
2011-07-20	14:05:26:552	 924	af4	Misc	WARNING: WinHttp: SendRequestToServerForFileInformation failed with 0x8024402c
2011-07-20	14:05:26:552	 924	af4	Misc	WARNING: WinHttp: ShouldFileBeDownloaded failed with 0x8024402c
2011-07-20	14:05:29:173	 924	af4	Misc	WARNING: Send failed with hr = 80072ee7.
2011-07-20	14:05:29:173	 924	af4	Misc	WARNING: SendRequest failed with hr = 80072ee7. Proxy List used: <(null)> Bypass List used : <(null)> Auth Schemes used : <>
2011-07-20	14:05:29:173	 924	af4	Misc	WARNING: WinHttp: SendRequestUsingProxy failed for <http://www.update.microsoft.com/v9/windowsupdate/redir/muv4wuredir.cab>. error 0x8024402c
2011-07-20	14:05:29:173	 924	af4	Misc	WARNING: WinHttp: SendRequestToServerForFileInformation MakeRequest failed. error 0x8024402c
2011-07-20	14:05:29:173	 924	af4	Misc	WARNING: WinHttp: SendRequestToServerForFileInformation failed with 0x8024402c
2011-07-20	14:05:29:173	 924	af4	Misc	WARNING: WinHttp: ShouldFileBeDownloaded failed with 0x8024402c
2011-07-20	14:05:31:794	 924	af4	Misc	WARNING: Send failed with hr = 80072ee7.
2011-07-20	14:05:31:794	 924	af4	Misc	WARNING: SendRequest failed with hr = 80072ee7. Proxy List used: <(null)> Bypass List used : <(null)> Auth Schemes used : <>
2011-07-20	14:05:31:794	 924	af4	Misc	WARNING: WinHttp: SendRequestUsingProxy failed for <http://www.update.microsoft.com/v9/windowsupdate/redir/muv4wuredir.cab>. error 0x8024402c
2011-07-20	14:05:31:794	 924	af4	Misc	WARNING: WinHttp: SendRequestToServerForFileInformation MakeRequest failed. error 0x8024402c
2011-07-20	14:05:31:794	 924	af4	Misc	WARNING: WinHttp: SendRequestToServerForFileInformation failed with 0x8024402c
2011-07-20	14:05:31:794	 924	af4	Misc	WARNING: WinHttp: ShouldFileBeDownloaded failed with 0x8024402c
2011-07-20	14:05:34:415	 924	af4	Misc	WARNING: Send failed with hr = 80072ee7.
2011-07-20	14:05:34:415	 924	af4	Misc	WARNING: SendRequest failed with hr = 80072ee7. Proxy List used: <(null)> Bypass List used : <(null)> Auth Schemes used : <>
2011-07-20	14:05:34:415	 924	af4	Misc	WARNING: WinHttp: SendRequestUsingProxy failed for <http://www.update.microsoft.com/v9/windowsupdate/redir/muv4wuredir.cab>. error 0x8024402c
2011-07-20	14:05:34:415	 924	af4	Misc	WARNING: WinHttp: SendRequestToServerForFileInformation MakeRequest failed. error 0x8024402c
2011-07-20	14:05:34:415	 924	af4	Misc	WARNING: WinHttp: SendRequestToServerForFileInformation failed with 0x8024402c
2011-07-20	14:05:34:415	 924	af4	Misc	WARNING: WinHttp: ShouldFileBeDownloaded failed with 0x8024402c
2011-07-20	14:05:34:415	 924	af4	Misc	WARNING: DownloadFileInternal failed for http://www.update.microsoft.com/v9/windowsupdate/redir/muv4wuredir.cab: error 0x8024402c
2011-07-20	14:05:34:415	 924	af4	PT	WARNING: PTError: 0x8024402c
2011-07-20	14:05:34:415	 924	af4	PT	WARNING: PTError: 0x8024402c
2011-07-20	14:05:34:415	 924	af4	PT	WARNING: Initialization failed for Protocol Talker Context: 0x8024402c
2011-07-20	14:05:34:415	 924	af4	PT	WARNING: StartCategoryScan failed : 0x8024402c
2011-07-20	14:05:34:415	 924	af4	Agent	  * WARNING: Exit code = 0x8024402C
2011-07-20	14:05:34:415	 924	af4	Agent	*********
2011-07-20	14:05:34:415	 924	af4	Agent	**  END  **  Agent: Finding updates [CallerId = Windows Defender]
2011-07-20	14:05:34:415	 924	af4	Agent	*************
2011-07-20	14:05:34:415	 924	af4	Agent	WARNING: WU client failed Searching for update with error 0x8024402c
2011-07-20	14:05:34:415	3792	6a4	COMAPI	>>--  RESUMED  -- COMAPI: Search [ClientId = Windows Defender]
2011-07-20	14:05:34:415	3792	6a4	COMAPI	  - Updates found = 0
2011-07-20	14:05:34:415	3792	6a4	COMAPI	  - WARNING: Exit code = 0x00000000, Result code = 0x8024402C
2011-07-20	14:05:34:415	3792	6a4	COMAPI	---------
2011-07-20	14:05:34:415	3792	6a4	COMAPI	--  END  --  COMAPI: Search [ClientId = Windows Defender]
2011-07-20	14:05:34:415	3792	6a4	COMAPI	-------------
2011-07-20	14:05:34:415	3792	a40	COMAPI	WARNING: Operation failed due to earlier error, hr=8024402C
2011-07-20	14:05:34:415	3792	a40	COMAPI	FATAL: Unable to complete asynchronous search. (hr=8024402C)

@ 14:05:37: Windows Error Reporting (1001):

Fault bucket, type 0
Event Name: MpTelemetry
Response: Not Available
Cab Id: 0

Problem Signature:
P1: 8024402c
P2: EndSearch
P3: Search
P4: 6.1.7601.17514
P5: MpSigDwn.dll
P7: Windows Defender

@ 14:06:11: Windows Installer service is stopped ( MSIEXEC exits )

Note: I had tried doing some MSIEXEC debug/logging, however it was making the install take well over an hour on the first item. Not having the time (at the time) I skipped that and decided to look at the regular amount of info.

So now, I am thinking that perhaps I should stop Windows Defender during the installation period, which should be fine and Windows Defender would start up automatically following the reboot. Also, I want to point out that this particular deployment does not include Windows Live Essentials. Installing that adds about 8 minutes of additional inactivity/slowness.

Any ideas?

**cluberti** · July 21, 2011

Actually, that could do it. Just like any install that adds files to the system and triggers CBS, it'll also trigger a scan. In audit mode, this will epic fail if the CRL can't be grabbed or checked (that's likely what's being logged in the catroot logs), and defender is going to try and update/scan new files. It's a bit of a kludge, but just like not running A/V in audit mode, running defender isn't really a good idea either. I'd suggest stopping/disabling the service as your first task when entering audit mode, and setting things back when exiting.

**Tripredacus** · July 21, 2011

In the new test, I have set to stop the WinDefend service. There are a lot of different events now (some errors and warnings) that were not in the last test, but likely due to WinDefend being stopped. Fortunately, nothing prompted it to start again by itself. So the new time frame of events (last program to install to MSIEXEC exiting) is:

15:42 - 15:52

FYI these times are just for reference only, the BIOS time is still set to its factory time.

Checking through the logs, CBS is still the same, but WindowsUpdate.log is indeed different. There is nothing logged during the time period above, so stopping WinDefend did definately have an impact there. However after checking all the log files and everything else, the total time savings is about 15-20 seconds.

So that isn't it. I would settle for cutting this time in half... I'll relook over the ProcMon log and see if I can come up with any other ideas.

Well I did find some information regarding Windows Installer and this 10 minute period. It appears that this is NORMAL.

http://blogs.msdn.com/b/heaths/archive/2006/12/08/the-windows-installer-service.aspx

So now my next task is to try to stop the service, after waiting about a minute after the last program is installed. Hopefully this will also work when installing Windows Live Essentials... we shall see.

Update2 Well I've got this all fixed up now. It would appear that you can't end the msiserver service if it is actively installing something. So I have altered my program to wait 1 minute, then attempt to stop the service. So far this is working out and everything is fine.

I did try to research changing the msiserver service's idle timeout but came up empty on that. This will have to do for now. I also gave up trying to figure out how to check for msiserver's mutex it creates while it is installing.

Edited July 21, 2011 by Tripredacus

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