Microsoft Resumes Installation of Vista KB949939 and KB937287 Prerequisite via Windows Update

Windows Vista SP1KB937287 is one of the prerequisite updates that must be installed on Windows Vista PC before the system can be upgraded and installed with Service Pack 1 (SP1). The KB 937287 update intends to upgrade the Servicing Stack layer in Windows Vista, which contains installation program for SP1. Unfortunately, lots of users experience various problems such as unable to install the update, or even worse, computer falls into endless reboot cycle.

As a result, Microsoft stops and suspends automatic distribution and rolling out the KB937287 Servicing Stack Update (SSU) one week after it’s put on Automatic Updates in February.

After months of investigation, Microsoft finally gets the solution to the problem, in the form of additional pre-SSU (KB949939) update. KB949939 has to be installed prior to the SP1 Servicing Stack Update to ensure a smooth install of the SSU by working to prevent the system from rebooting during the SP1 SSU installation. Beside, the KB937287 now requires KB949939 before it can be installed. In other word, now there is one more prerequisite update for Windows Vista SP1.

Thus, the automatic update and installation of the Servicing Stack Update (KB937287), and prior to it, KB949939 update has been resuming since April 8, 2008.

If you want to install these updates yourself, download it from Microsoft Download Center:

32-bit KB949939 (Windows6.0-KB949939-x86.msu)
64-bit KB949939 (Windows6.0-KB949939-x64.msu)
32-bit KB937287 (Windows6.0-KB937287-v2-x86.msu)
64-bit KB937287 (Windows6.0-KB937287-v2-x64.msu)

Apparently, Microsoft has also already published Windows Vista SP1 on Windows Update for public distribution.



This entry was posted on Sunday, April 13th, 2008 at 11:22 am and is filed under Windows Vista. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

7 Responses to “Microsoft Resumes Installation of Vista KB949939 and KB937287 Prerequisite via Windows Update”

  1. Gonzalo
    December 24th, 2008 00:34
    7

    Has the same problem as Francisco, please we need some help!!!

    Thank you

  2. Francisco
    July 24th, 2008 11:50
    6

    I´m dealing with the 937287 endless update loop. i don´t have a cd to reinstall windows, do i system restore and i don´t have the chance to restore system as i no longer have the restore point needeed avalible. i tried to manually installed the 949939 but during installation it tells me the update is not applicable to the system. I don´t have the time to reinstall the system. is there anything new that i can try___

    thank you

  3. Endless Reboot Loop While “Configuring Updates: Stage 3 of 3″ During Vista SP1 Installation » Tip and Trick
    April 28th, 2008 00:12
    5

    [...] installing update 937287 for Windows Vista, according to Microsoft KB949358, which should has been fixed with publishing of KB949939. If you’re still encountering the problem, try the following steps to get your system working [...]

  4. Windows XP SP3 BSoD Endless Reboot Loop with Stop c0000139 on GDI32.dll Error » Tip and Trick
    April 17th, 2008 15:47
    4

    [...] spent couple of weeks to fix endless and repetitive system restart loop issue when users attempt to Windows Vista SP1, but the computer cannot startup with continuous reboot [...]

  5. Windows Vista SP1 Distributed via Windows and Automatic Update » Tip and Trick
    April 13th, 2008 12:44
    3

    [...] Vista SP1 on Windows Update and Automatic Update is done on April 8, 2008, the same day Microsoft resuming roll out of KB937287 Service Stack Layer Update, a prerequisite update that has to be installed before a system can be [...]

  6. Fix Install Fail or Endless Loop Problem in Vista WU by Downloading Update KB937287 » My Digital Life
    April 13th, 2008 11:27
    2

    [...] KB937287 v2 has been released, which futher requires KB949939 to fix the problem. [...]

  7. KB937287 Fails to Install At Stage 3, Unable to Reinstall or Uninstall and Restarts Repetitively » My Digital Life
    April 13th, 2008 11:25
    1

    [...] releases v2 of KB937287 which requires KB949939, which Microsoft claims able to solve the [...]

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