Unused File Extension?

Hi on doing a registry scan, an unused 'file extension softgrid.unavailable’ keeps reappearing even after deletion? This only appears in CCleaner. Is there a way of a permanent deletion?

Thx

Ask here: http://forum.piriform.com/

just to be sure he is asking all over the net :wink: http://www.the-scream.co.uk/forums/t31418.html

he could try a google search :wink: