issues installing security update for sql server 2008 R2 (KB2494088)

  • Windows update tries to install the update and fails.

    Ive manually downloaded it ( 64bit as my installation is 64bit). i run the setup.exe, it runs for about 30 secs and just disappears.

    the only error i get in the error log is:

    Activation context generation failed for "C:\Windows\system32\conhost.exe". Dependent Assembly Microsoft.Windows.SystemCompatible,processorArchitecture="amd64",publicKeyToken="6595b64144ccf1df",type="win32",version="6.0.7600.16823" could not be found. Please use sxstrace.exe for detailed diagnosis.

    Ive tried running sxstrace but i am unsure what i am looking at.

    Anyone got any ideas?

  • I am also facing this issue since Jully 22, Do anyonr have solution for this issue ? Please help.

  • I encountered the same thing after installing SQL denali CPT3 on a new virtual server with windows 2008R2

    I used this tool to see more

    SxsTrace Trace -logfile:SxsTrace.etl => to capture sbs errors

    SxsTrace Parse -logfile:SxsTrace.etl -outfile:SxsTrace.txt ==> to make it readable.

    But still no solution found for this error.

  • I am facing the same issue.

    Presumably you guys found a solution to the problem? If so, any advice appreciated.

    I read on another forum a solution which means messing with the registry which seems bizare that we need to go to such lengths to apply a security patch:w00t:

  • The error message highlights 'Activation context generation failed'. Please check ACLs for the account that you use for Updates.

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