A little OCX vs DLL Hell for a change :-) Glad you found it.

>Jim,
>
>You are a life saver - thank you!
>
>I have W2000, but yoru reference led me to look at the version of HHCtrl.ocx and see that i have a newer version than on my other system. I THINK it was installed w/an app i installed the other day...in any case, I wrote over it w/the earlier version, and now i have help again...whew! thanks!
>
>now i just have to deal w/the aforementioned newly installed app.
>
>J
>>Jill,
>>
>>MSKB #Q312456 talks of this in Windows 98... might give you a clue.
>>
>>>Hi,
>>>
>>>When I try to run ANY CHM file, I get the following error:
>>>
>>>Cannot open the file: mk:@MSITStore: [full path and filename.CHM]
>>>
>>>Hope someone has some insight to this...TIA, J