hhctrl.ocx - Necessary


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hhctrl.ocx is the Microsoft HTML Help component. I think
you've installed a program that using HTML help. To use hhctrl.ocx it
must be registered in the system. Usually the installer uses RunOnce
keys to register hhctrl.ocx.
Recommendation: Ignore this change. You may check for the version of
the hhctrl.ocx to be sure that you have the working version.