Top Definition
A program developed by Piriform that frees up clutter and unused files from your computer, as well as fix registry issues.

Available for Windows XP, Vista, and 7 only.
Friend: What are you doing?

Guy: Using CCleaner.

Friend: What?

Guy: CCleaner. It erases unneeded files from your C: drive.

ex-Friend: Geek
by Cubhicbu July 03, 2010
1 Word related to CCleaner

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