KB2686509 fails to install, says prerequisities missing and to check log file.

I am running Windows XP on a Toshiba Satellite laptop, Intel PIII, 847 Mhz processor. I have installed SP3.

Here is the contents of the log file:

3.695: 2013/01/27 17:49:52.498 (local)3.695: c:fb66e1fe6323f2b745bfc5d1updateupdate.exe (version 6.3.13.0)3.755: DoInstallation: GetProcAddress(InitializeCustomizationDLL) Returned: 0x7f 3.775: Hotfix started with following command line: 3.775: In Function GetReleaseSet, line 1211, RegOpenKeyEx failed with error 0x23.775: In Function GetReleaseSet, line 1240, RegOpenKeyEx failed with error 0x23.805: CreateUserInterface: GetProcAddress for DefineInstallCustomUI failed: 0x7f3.946: Return Value From IsMachineSafe = 03.946: IsMachineSafe returned 4410923.946: Fist Condition in Prereq.IsMachineSafe.Section Failed3.946: Condition Check for Line 1 of PreRequisite returned FALSE 3.956: ReadStringFromInf: UpdSpGetLineText failed: 0xe00001023.966: KB2686509 Setup encountered an error: Setup cannot continue because one or more prerequisites required to install KB2686509 failed. For More details check the Log File c:windowsKB2686509.log3.996: ReadStringFromInf: UpdSpGetLineText failed: 0xe00001023.996: Setup cannot continue because one or more prerequisites required to install KB2686509 failed. For More details check the Log File c:windowsKB2686509.log13.830: Message displayed to the user: Setup cannot continue because one or more prerequisites required to install KB2686509 failed. For More details check the Log File c:windowsKB2686509.log13.830: User Input: OK13.830: Update.exe extended error code = 0xf0f413.830: Update.exe return code was masked to 0x643 for MSI custom action compliance.

Here is also the contents of the faultykeyboard log file:

kbdsp.kbdkbdsp.kbdkbdno.kbdkbdla.kbdkbdla.kbdkbdla.kbdkbdla.kbdkbdla.kbdkbdus.kbdkbdla.kbdkbdus.kbdkbdla.kbdkbdla.kbdkbdla.kbdkbdla.kbdkbdla.kbdkbdla.kbdkbdla.kbdkbdla.kbdkbdla.kbdkbdla.kbdkbdla.kbdkbdla.kbdkbdycl.kbd

Thanks for your help!

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