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How To Fix Windows 7 CHM Problem In 3 Seconds?

You probably need 3 seconds only to fix the CHM content display error on Windows 7 that said “Navigation to the webpage was canceled”?

The “silent” screencast (below) takes half a minute for demo, but the real solution just requires few mouse-clicks :-)


CHM (Microsoft Compiled HTML Help) is a proprietary help file format developed by Microsoft to replace WinHelp format and is commonly used for creating e-book as well.

Trick to solve Windows 7 CHM error

If there is no content displayed except the “Navigation to the webpage was canceled” message:

1) Right click the CHM file and select Properties.

2) In the General tab, click the Unblock button:

Windows 7 CHM problem - Navigation to the webpage was canceled.

3) Click OK button and open the CHM file in question again – the content should be displayed now. Good luck.

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  1. Walker 24-09-10@01:00

    OMG! Just know there is another trick that needs less mouse-clicks!

    Just uncheck “always as before opening this file” during open the file :-)

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