CHM Files Navigation to the webpage was cancelled
This happend to me after upgrading to Internet Exporer 7.
If you are wondering why you cant read the CHM files, just do the steps below :
Steps for solving Navigation to the webpage was cancelled
- Close the CHM file
- Open it again and you will get the same popup as shown below
- Uncheck the checkbox
Always ask before opening this file(Highlighted in the image above).
- Press Open
- Now it should work :)