Trouble opening or reading the (CHM) documentation file

3 posts, 0 answers
  1. Vassil Petev
    Vassil Petev avatar
    47 posts
    Member since:
    Jan 2004

    Posted 20 Jun 2013 Link to this post

    When downloading a CHM file, or when unzipping a CHM file, Windows might decide that it is unsafe. Then, when you click Open, it doesn't render the HTML content.

    Here is the solution:

    1. Run Windows Explorer and locate the CHM file (make sure it is unzipped)
    2. Right-click on the CHM file and select Properties from the popup menu
    3. In the CHM properties window, click on the Unblock button in the low right-hand side corner. This allows this single file to be trusted by Windows.
    4. Click OK (or Apply) to confirm. Once the CHM file has been unblocked, the Unblock button will disappear from this file's properties window.

    This problem has been documented under MS knowledge base article 902225.

  2. Tomica
    Tomica avatar
    147 posts
    Member since:
    Apr 2008

    Posted 05 Sep 2013 Link to this post

    Vassil, I was hit with exactly that same problem today on Win 8 Pro.

    Thanks for documenting this issue, which helped me resolve it promptly.

    My only issue: this is hardly "off-topic" as I suspect it applies to most users when they need help the most.
  3. Vassil Petev
    Vassil Petev avatar
    47 posts
    Member since:
    Jan 2004

    Posted 10 Sep 2013 Link to this post

    You are welcome!

    Indeed, this solution is not entirely "off topic", although the Analytics product is hardly at fault here. We will nevertheless consider moving this Forum post to the "General Discussions" section.

    Thanks & cheers,
    Vassil Petev
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