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Viewing Downloaded CHM Files

A recent security update (Security Update for Windows XP - KB896358) has modified the behavior of files you download from the Internet. In this case, the download in question is the Team Foundation Installation Guide .chm file.

Option 1

After saving the file locally (for example, to your Desktop), try to open the file. You’ll see a message that looks like this:

Security Warning

To view the content in this file, click to clear the Always ask before opening this file check box, and then click Open.

Option 2

Or, right-click the file, click Properties, and then on the General tab click Unblock.

File Properties

I should've caught this when the Assistance Platform folks posted this.

And then there is this: After you install security update 896358, downloaded Compiled Help Module files cannot be opened.

Comments

  • Anonymous
    June 23, 2005
    Thanks for this, Rob. I was caught off gaurd when trying to download the file for a client and submitted the report (I thankfully had a slightly older version handy that I forwarded). Glad to see that there were more than I that missed the bulletin. ;o) By the way, kudos for posting the links in such a timely fashion. Cheers.

  • Anonymous
    June 28, 2005
    Dudes, thanks,
    There I am with a board member from Adobe, and I can't open the file I need to configure his machine. You made me look smart.
    Dan

  • Anonymous
    July 04, 2005

    Wouldn’t it be nice…
    VSTS Quality Tools: Getting Started with Test Generation
    Viewing Downloaded...

  • Anonymous
    July 13, 2005
    A few readers have commented to me that they've been having trouble recently viewing the CHM files...

  • Anonymous
    August 11, 2005
    Despite the investment of time and money Microsoft has made in the name of community, there are those...

  • Anonymous
    March 19, 2006
    This is just a reminder for those who download an HTML Help (.CHM) file from Microsoft Downloads...

  • Anonymous
    April 01, 2006
    Viewing these files isn't a problem for me, but any links to external web resources in a .chm file always bring them up in MSIE. I've instructed Windows that my choice of browser is Firefox, not MSIE. How can I get Windows to always respect my choice of browser and not dictate it's own to me with .CHM files?

  • Anonymous
    May 23, 2006
    The comment has been removed

  • Anonymous
    November 01, 2006
    The comment has been removed

  • Anonymous
    January 02, 2008
    The comment has been removed

  • Anonymous
    January 14, 2008
    OK I admit it, I thought it was something I was doing incorrectly... or something I was doing caused

  • Anonymous
    December 22, 2008
    PingBack from http://www.winhelponline.com/blog/fix-cannot-view-chm-files-network-xp-2003-vista/

  • Anonymous
    February 24, 2011
    Awesome, thank you. I was about to fly off the handle until I found this post.

  • Anonymous
    April 18, 2011
    So what do you do when you aren't given the option to unblock the file, and it still won't open?  This is braindead

  • Anonymous
    April 18, 2011
    I found this post and it doesn't help, and I'm am still ready to fly off the handle.  I am not given any option to unblock the file, it just opens it in help and tells me navigation to the webpage was canceled.

  • Anonymous
    April 19, 2011
    John, try Option 2.

  • Anonymous
    October 23, 2011
    thankyou guys..

  • Anonymous
    January 05, 2012
    The comment has been removed

  • Anonymous
    February 06, 2012
    @RyeJ - Yes, you may, but please link back to this post in case I update the info later.

  • Anonymous
    February 24, 2012
    Thanks Rob :)

  • Anonymous
    April 05, 2012
    Thank you

  • Anonymous
    June 27, 2012
    thank you

  • Anonymous
    July 06, 2012
    Thanks Dude..awesome information

  • Anonymous
    December 21, 2012
    Thanks a lot,unblock has worked!