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I have opened .chm file in c# but it is showing This program cannot display webpage error .

I have edited register and my path does not contain any special character , can any one help me out of this .

Error Details :

This program cannot display the webpage Most likely causes: You are not connected to the Internet. The website is encountering problems. There might be a typing error in the address. What you can try: Check your Internet connection. Try visiting another website to make sure you are connected. 

 Retype the address.  

 Go back to the previous page. 
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user3251882
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Boopathi k
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    Showing your code would really help. Additionally, you may need to right-click on the .chm file in Windows Explorer and unblock it, especially if it was downloaded from a different location. – Tim Mar 29 '13 at 07:06
  • This problem repeatedly occurs with me, even when opening the file with Internet Explorer. There are some tools that decompile and decompress the *.chm files to *.html files availabile in the web –  Mar 29 '13 at 07:09
  • Does http://stackoverflow.com/questions/6094053/open-chm-help-file-in-c-sharp help? – Paul Annetts Mar 29 '13 at 07:36
  • @Tim : How to unblock ? Can you please elaborate . – user3251882 Mar 14 '17 at 11:04

1 Answers1

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The issue may be because the .chm is on a network share and not local, as Windows can only open them if they're local files. It was patched as a security issue apparently.

The usual way around this is to install a copy of the .chm with your app.

Daniel Imms
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  • As I noted in my comment above, he may also need to unblock the file if it's downloaded from another location. Using a local copy in any case would be better - especially if it's a large .chm file. – Tim Mar 29 '13 at 07:12