

In this case, please download or copy the file CHM again. When the file is incomplete, it is not possible to open it correctly. Check if the file is complete - Sometimes it happens that the CHM file was not copied completely from the external Flash memory, or downloaded from the Internet.Check that the system has the necessary resources to run the xCHM application and open the CHM file.Check if the icon is an element of the correct file but not only a shortcut to the location where the CHM file no longer exists.Check if you, as the operating system user, have appropriate permissions to work with the file CHM.Most often it is disinfection or deletion of an infected file. In this case, scan the CHM file and take the actions recommended by the antivirus program installed on the system. Check if the CHM file is not infected - When the file CHM is infected with a virus or malware, it probably will not be able to be opened correctly.

You should then find out what is the reason of the problem. Sometimes it happens that despite having the right application and the correct configuration, there are still problems with opening the CHM files. Check out other possible problems related to CHM files. Remember! Manually editing the system registry is only recommended for advanced users, and changes made to it without proper knowledge may result in damage to the system.
