WIN8 System Help document not open how to do?

　　WIN8 System Help document not open how to do?

When we encounter problems in the process of using the WIN8 system computer, we can use the Windows System Help document to analyze the problem and solve the problem in time. But recently a user found that the WIN8 system help document is not open, what is this? How do I troubleshoot the system help document? Don't worry, small knitting out some solutions to everyone, there is a need to see.

Workaround:

1, under normal circumstances can not display the Web page: Right-key CHM file properties in the bottom there is a "unlock", click the "Unlock" button on it;

2, if not unlock, because the. chm file can not be stored in the path of #, but I was also C # development, put the books into the C # directory can not show, then rename the directory name;

3, if it must be placed in the C # directory, the CHM to create a compressed package rar, and then open the CHM file in the compressed package, will not appear unable to display.

Other reference methods:

1, right Key association CHM file "open way" to WindowsHH.exe;

2, in the command line to run regsvr32 itss.dll;

3, in the command line to run regsvr32 hhctrl.ocx;