Compiled help (*.chm) problems after last updates

Discussion in 'Windows Update' started by zapiter, Jun 20, 2005.

  1. zapiter

    zapiter Guest

    After last set of updates (7 updates) I encounter problems with accessing
    *.chm files which are not stored locally on my hard drive (they are on net
    drive).

    The *.chm help file opens without any problems, Table of Contents, Index and
    Search work fine but in the right pane no HTML is displayed and "Action
    cancelled... " page is displayed instead so the help is useless at all.

    It looks like some security issue, but I cannot think of any sollution...
     
    zapiter, Jun 20, 2005
    #1
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  2. Hi,

    This is caused by the security update KB896358 (MS05-026: A
    vulnerability in HTML Help could allow remote code execution)


    Importing the registry file below will solve the problem as long
    as your network drive is defined as "Local intranet zone" (it should
    be).

    Put the following in a .reg file and import it by double clicking on
    the file:

    --------------------8<----------------------
    REGEDIT4

    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\HTMLHelp\1.x\ItssRestrictions]
    "MaxAllowedZone"=dword:00000002

    --------------------8<----------------------

    The setting above will open up for Local Machine zone, Local intranet
    zone, and Trusted sites zone.

    More about this registry setting here:

    http://support.microsoft.com/kb/896358

    and here:
    http://support.microsoft.com/kb/896054
     
    Torgeir Bakken \(MVP\), Jun 20, 2005
    #2
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  3. zapiter

    zapiter Guest

    Thanks a lot.

    Now it's fine.

    I owe You a beer (at least).
     
    zapiter, Jun 21, 2005
    #3
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