i can haz .NET

a Run Through the Jungle of Software Development and Unrelated Sagas

CHM help files don’t display their content

with 2 comments

Trying to view a chm help file and getting something like “This program cannot display the webpage” or “Page Cannot Be Displayed”  or this sort of thing …

Nothing to see here

Nothing to see here

There are plenty of solutions on the web about unblocking chm files in Vista etc but here is a curly one that can catch you out – if the path or file name of the .chm contains the “#” character then you have a problem. The solution is to rename it, removing the # character.

See http://support.microsoft.com/kb/319247 for details.

I hope this saves you the considerable amount of time it took me to find this.

Written by CADbloke

November 5, 2008 at 8:48 am

Posted in Uncategorized

Tagged with ,

2 Responses

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  1. Most CHM files are bloqued, so, Run Windows Explorer, right-click on the CHM file, and select Properties from the popup menu. Click on the Unblock button immediately below the Advanced button on the General page. Click Apply to show the content. Once the CHM file has been unblocked, the Unblock button disappears.


    January 27, 2011 at 2:41 am

  2. after installing IE7, I had exactly the same problem,
    and when I uninstalled it, my problem solved completely even without making restart.


    February 13, 2011 at 8:06 am

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