Win7 the CHM file in the computer can not open how to do?

About this CHM file, probably many friends are not very clear, however, this emerging file format has been widely used, CHM format is a new generation of document format, is based on the HTM format, the application in the computer is also relatively wide, although in the previous system can be unimpeded use , but a lot of upgrade ghost Win7 friend found that after the system upgrade, CHM file can not be used normally, then this time, how do we solve such a problem? The following, small make up to tell you about it!

1. First, we find the computer can not open the CHM format of the file, and then select the file, right click on the Slide menu to select the property options.

2. In the Open Properties window, we switch the interface to security, and then click on the following Unlock rule button, if you open the interface without this button to do this step. Then create a new Notepad file on your desktop and copy the following to Notepad:

REGEDIT4 [Hkey_local_machinesoftwaremicrosofthtmlhelp] [Hkey_local_ Machinesoftwaremicrosofthtmlhelp1.xhhrestrictions] "MaxAllowedZone" =dword:00000003 "UrlAllowList" = "" [HKEY_LOCAL_ Machinesoftwaremicrosofthtmlhelp1.xitssrestrictions] "MaxAllowedZone" =dword:00000003 "UrlAllowList" = ""

After that, let's click Save As to save the file as a. reg format.

3. After we run the file in this reg format, the CHM format file that we can't open after the run is completed should be opened normally.