What to do if the chm file cannot be opened in win10 system

Recently, many Win10 users have reported encountering problems when opening CHM files, which may be due to system settings or file associations. PHP editor Baicao has compiled some solutions for everyone to help users open CHM files smoothly. From checking the registry to using specialized tools, these countermeasures will help you resolve the issue and allow you to easily access and read CHM files. If you encounter similar problems, you might as well try these methods to see if they solve your problem.

1. When opening the chm file, the following warning window will pop up. Click to open; as shown in the figure:

2. After opening, I found that no matter how I click, the right side is always It is blank, and sometimes it will prompt that the network cannot connect. In short, the content on the right cannot be seen; as shown in the picture:

3. Close the file, find the file-right click --Properties; as shown in the picture:

4. Find the security below, unlock it--Apply--OK. When you open the file again, you can see the contents inside. as the picture shows:

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