CCleaner for Windows 3.19.1721 Fileforum Pick

4.6 out of 5 stars 4.6 (2348 votes)

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Windows (All) / Freeware / 526,534 downloads

CCleaner is a freeware system optimization, privacy and cleaning tool. It removes unused files from your system - allowing Windows to run faster and freeing up valuable hard disk space. It also cleans traces of your online activities such as your Internet history. Additionally it contains a fully featured registry cleaner. But the best part is that it's fast (normally taking less than a second to run) and contains NO Spyware or Adware.

  • Homepage

    CCleaner

  • Uninstaller

    Yes

  • Latest Changes

    - Added option to skip User Account Control (UAC) warning

    - Added support for Firefox 13.0 beta

    - Moved Thunderbird to be cleaned separately

    - Improved Aurora History cleaning

    - Improved Google Chrome Saved Passwords cleaning

    - Improved Scheduled Tasks detection

  • Other Versions

    CCleaner for Mac OS X

    CCleaner Network Professional

Reviews of CCleaner for Windows

  1. 5 out of 5 stars
    gatorfan95

    Reviewing 3.19.1721 (May 25, 2012)

    Very nice update to a very good free program. Maybe eaves will stop his whining now eh?

  2. 5 out of 5 stars
    Music4Ever

    Reviewing 3.19.1721 (May 24, 2012)

    Good cleaner & free ~ 9 stars ~

    (eaves should be well pleased now)

  3. 5 out of 5 stars
    eddie

    Reviewing 3.19.1721 (May 24, 2012)

    Finally, separate cleaning of Thuderbird and Firefox.

  4. 5 out of 5 stars
    gatorfan95

    Reviewing 3.18.1707 (Apr 27, 2012)

    Another timely update of an excellent FREE program

  5. 5 out of 5 stars
    Music4Ever

    Reviewing 3.18.1707 (Apr 27, 2012)

    The best ~

    Looks like eaves installed this version & it totally obliterated the entire PC & network (not just Thunderbird) ~ Oh dear ~

Discuss CCleaner for Windows

  1. Aug 23, 2010 - 5:38 PM
    jerry4dos

    I stand correcfed. It IS cleaning the Flash cookies -- it's leaving a "settings" file, which also carries an ".SOL" extension, which I thought was a cookie

  2. Aug 16, 2010 - 5:06 PM
    jerry4dos

    How about adding an option to remove FLASH COOKIES?

  3. May 8, 2009 - 9:07 AM
    Jtaylor83

    I haven't used this product in a while and when my PC gets full, I'll use it to clean clean it out.

    CCleaner doesn't install ask.com but Yahoo! toolbar. It's recommended that you should install the Slim version.

  4. Apr 30, 2009 - 9:16 AM
    bobad

    Not only that, but it tries to install ask.com on your computer! :-O

  5. Apr 29, 2009 - 3:39 PM
    jenngood

    I hear you! I had to reinstall my OS because I used the registry cleaner! With such small files being installed into the registry, just leave it alone. There is NO WAY that any registry cleaner could possibly know all of the file names that program writers make up and install. BAD IDEA!

  6. Feb 1, 2009 - 11:46 PM
    ibm360

    Everyone here seems to have lots of love for this program, but today it killed my wife's laptops registry. I think it would of great help if the registry list of "problems" had a collumn with the origin of the file, so you can see if it is a valid entry, or something that really should be deleted. because lets face it, does anyone really know exactly what every dll file does- by name?
    How do we make an informed choice on which to delete or not delete?