The CHM file cannot be opened, the msdn cannot be opened, and the msdn index and search functions are invalid.

(1)The CHM File and msdn cannot be opened.

The CHM file cannot be opened and the msdn file cannot be opened. The error "can't open C:/program files/Microsoft Visual Studio/msdn/2001oct/1033/msdn130.col" is reported ". ReadThis blog post, Run in the command lineRegsvr32 itss. dll. Write down the memo.

 

(2)You cannot use F1 to open msdn from.

I thought everything was fine yesterday. Who knows when I try to use F1 orHelpMenu from Visual StudioProgramWhen accessing the "msdn library help", the following error message is displayed: Unable to display help

InHereThe solution is found:Register vshelp. dll

A) SearchVshelp. dll.

B) SelectStartAnd then clickRun. Type regsvr32.

C) Click and hold the file found in the searchVshelp. dllAnd drag itRunBox (followedRegsvr32Later ). ClickOK.

 

(3)The indexing and search functions in msdn are invalid.

After solving the above two problems, I was surprised to find that the indexing and searching functions of msdn were invalid: There was a blank index, and no theme was found for searching anything. Then I found that the index and search functions of all CHM files were like this, even with the help of notepad, and a program error occurred after I disabled it.

After uninstalling/reinstalling the SDK for n times, msdn won't work.Csdn blogOn the Solution:
Regsvr32 hhctrl. ocx
Regsvr32 itss. dll
Regsvr32 itircl. DLL // This is very important, it is about full-text search.