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Windows – Unable to open .chm files file: mk:@MSITStore:C:\WINNT\HELP\……

April 23, 2007

While I am reading some Help Files from Windows, I just came across this error which is so de iritating…. keeps popping up without showing what I want….. Have tried to do a sfc /scannow but still unable to resolve it……hmmm…. but in the end….i just got it….

CHM Error

Guideline to repair this issue
=====================
1. Go to C:\Documents and Settings\enlim\Application Data\Microsoft\HTML Help on the computer
2. Delete the hh.dat
3. Go to command prompt type in unregsvr32 c:\windows\system32\hhctrl.ocx
4. Then later register the file regsvr32 c:\windows\system32\hhctrl.ocx
5. Retry to launch any of the Help Files, it should be able to load

Signing Off Now
jMs

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3 comments

  1. i think unregsvr32 is regsvr32 /u
    and registering only hhctrl.ocx didnt solve my problem. I had to do

    regsvr32 hhctrl.ocx
    regsvr32 itss.dll
    regsvr32 itircl.dll

    itircl.dll solved the problem of search.
    (Try ‘regsvr32 /u itircl.dll’ otherwise 😉

    Anyway thanks.


  2. Thanks for the update on this issue. Will take note of it..~

    Maybe in future will be posting up new tool to automatically fix the issue…


  3. Found an excellent solution for this on Rob Worley’s Blog site. Here.

    Has to be the best solution I found!



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