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Free Registry and Computer Cleaner – CCleaner Review

Updated on August 22, 2012
Make your computer happy by Cleaning the registry and old files
Make your computer happy by Cleaning the registry and old files

Summary – Review of CCleaner

CCleaner is one of the best free registry and computer cleaners available these days. This review will give you all the information about cleaning your computer and registry as well as using CCleaner to help speed up your computer and registry. Cleaning your computer with CCleaner is easy to do, and something every computer user should do.

But before we got too far, let’s start at the beginning and look at what a computer and registry cleaner is for those who might be unsure.

What is a Registry and Computer Cleaner?

A registry cleaner is a computer program that automatically cleans and removes unused or incorrect registry entries in the Windows registry. Registry cleaners don’t fix the Windows registry, but they do remove old and unused entries for things like file extensions, ActiveX controls, fonts, and many others.

A computer cleaner simply goes through and deletes temporary files, redundant files, and empties the recycle bin. It also cleans a number of temporary and cache files from internet browsers such as Chrome, Firefox and IE to help speed them up.

Basically, registry and computer cleaners help your computer be happier by removing unnecessary clutter.

CCleaner Logo
CCleaner Logo

What Is CCleaner and What Does It Do?

CCleaner offers two services in one (actually, it offers several services, but we will only go into two). It provides both registry cleaning and computer cleaning in one easy to use program.

What this means for you: It means, you can clean unwanted files off your computer AND clean the registry in just a few clicks!

CCleaner also helps optimize your system which allows it to run faster and better. And CCleaner frees up space on your hard drive – sometimes quite a bit! In my experience, CCleaner gave me 4 Gigabytes of extra disk space that had been filled with temporary files and other junk. (Interestingly, a lot of this was from Google Earth files)

Cleaning Internet Browsers

A few of the browsers CCleaner will clean
A few of the browsers CCleaner will clean

What CCleaner Will Clean on your Computer:

Here is a list of some of the programs and files CCleaner will clean on your computer.

Internet Browsers and Files:

  • Supported Browsers: Google Chrome, Internet Explorer, Firefox, Safari and Opera and most others
  • Files Cleaned: Temp files, History, Cookies, Super Cookies, Download History, Form History and other browser specific files.

Windows Files Cleaned:

  • Recycle Bin, Recent Documents, Temporary files, Log files, Clipboard, DNS Cache, Error Reporting, Memory Dumps, and Jump Lists.

Third Party Programs and Applications:

  • CCleaner cleans and removes unnecessary files from many programs such as Microsoft Office and Google Earth.

Windows Registry:

  • CCleaner removes old and unused registry entities such as file extensions, invalid shortcuts, icons and fonts.

Source: Piriform

Is CCleaner Safe to Use?

This is an important question because there are some registry cleaners that pretend to offer free registry cleaning but actually harm your computer. These registry cleaning programs are difficult to uninstall and may even put viruses on your computer.

To avoid this, only download programs you are confidant in and have read reviews for, such as CCleaner!

(Note: if you want another reputable review, visit CNET’s review of CCleaner at the bottom of the page, but after you finish reading!)

CCleaner has been around for many years, and comes from a reputable company, Piriform. CCleaner also creates a backup for your computer each time it cleans your computer’s registry to ensure nothing is lost that would be important.

CCleaner is safe for your computer and even helps it to run better with more disk space available to you.

Using CCleaner – How to Speed Up Your Computer

One of the great aspects of CCleaner is that it is easy for anyone to use, even people with very little computer experience. The basic steps are to download it from the internet, analyze your PC, and then run it! Before you know it, your computer will be running better and faster.

Now, here is how to Download and run CCleaner:

Downloading CCleaner

The best place to get CCleaner is from their website at Use the link to the right to take you to the download page and follow the steps to download the free version. You can buy versions of CCleaner, but there is no need to for those who just want to clean their computer.

Screenshots of CCleaner

Computer Cleaner on CCleaner
Computer Cleaner on CCleaner
Registry Cleaner on CCleaner
Registry Cleaner on CCleaner

Running CCleaner

Once you have downloaded CCleaner, simply click on the shortcut in your downloads folder and run it. It will install and be ready in minutes. Once it is installed, I chose to put a shortcut on my desktop for easy access. Now open CCleaner and you should see a very simple window open.

Hit the analyze button and it will take a few minutes to analyze your computer. Once it is done analyzing, hit Run Cleaner and you’re done! It will run for several minutes cleaning your computer. If there is anything you don’t want it to clean, such as your internet browsing history or cookies, you can check and uncheck those in the slide bar area.

Now that your computer is cleaned, select the Registry button, scan for issues, then fix and your registry will be cleaned!

My Experience with CCleaner

When I ran CCleaner for the first time, it cleaned out over 4 Gigabytes of unnecessary files. It also fixed almost 200 registry issues. (I know, my computer had not been cleaned in a while!) It took about 20 minutes total time to run and was very simple and easy to follow.

I would suggest CCleaner to anyone, but especially those with computers that are a few years old. It did speed my computer up a bit, but it might not be noticeable to everyone. I am just happy knowing my computer has 4 Gigs more space to fill with other stuff.

CCleaner works on Windows XP, Vista, and 7. It also works on Mac computers and is available in the App store.

Is CCleaner the Best Free Registry Cleaner?

I will leave this up to you, and the comment section below, but in my opinion, CCleaner is one of the best, if not the best free registry cleaner. It is incredibly simple and easy to use. It is also free to download and has many features beyond cleaning your computer and registry.


Submit a Comment

  • gamerjimmy23 profile image

    Jimmy Gent 

    4 years ago from California

    CCleaner is awesome! In fact, many of Piriform's products are extremely useful tools. Recuva is another that I've used and highly recommend.

  • tiptipstar profile image

    kathy davis 

    4 years ago from las vegas

    I been using ccleaner for years. I have try other registry programs and I always go back to ccleaner. It is free and the best tool around. Thanks for the article.

  • internpete profile imageAUTHOR

    Peter V 

    5 years ago from At the Beach in Florida

    chefmancave - Great point! A lot of people forget to stop unwanted programs from starting when they stat their computer and that is very useful. I well have to add it in the hub! I tend to be very picky about what programs I let run at startup, because I have an older computer. So I've pretty much stopped all my unnecessary programs from starting.

    Thanks for reading and thanks for the heads up!

  • chefmancave profile image

    Robert Loescher 

    5 years ago from Michigan

    I also use CCleaner but I think you missed one of the best tools built into CCleaner. In the "Tools" section, there is a "Startup" Tool that is so much better than using MSCONFIG. If you truly want to make your computer run faster try disabling a few of the programs that run when you computer starts.

  • internpete profile imageAUTHOR

    Peter V 

    5 years ago from At the Beach in Florida

    rajan jolly - Happy to help and I hope you find this useful. Thanks for reading and commenting!

  • rajan jolly profile image

    Rajan Singh Jolly 

    5 years ago from From Mumbai, presently in Jalandhar,INDIA.

    internpete, need to check this wonderful freebie. Thanks for sharing.

    Up, useful and interesting.

  • internpete profile imageAUTHOR

    Peter V 

    5 years ago from At the Beach in Florida

    sandrabusby - Yes, I usually take the time to look up any info on things I am going to download and run on my computer. Better safe than sorry! Thanks for your comment!

  • sandrabusby profile image

    Sandra Busby 

    5 years ago from Tuscaloosa, Alabama, USA

    Maybe I'll try it. I'm a little bit skitsy about doing things to my computer, but this sounds OK. Thanks for the information.

  • internpete profile imageAUTHOR

    Peter V 

    5 years ago from At the Beach in Florida

    mary615 - interesting, well, I have used it for over a year now, and have had no problems. Thanks for your comment!

  • mary615 profile image

    Mary Hyatt 

    5 years ago from Florida

    Thanks for your answer. I used to use AVG, but stopped and now I don't remember why I didn't like it.

  • internpete profile imageAUTHOR

    Peter V 

    5 years ago from At the Beach in Florida

    IntroduceCroatia - Yes, I have also found it is very useful for that. I tend to forget to delete temp files and what not, so CCleaner is great at doing it all. Thanks for your comment!

  • IntroduceCroatia profile image

    Ante Rajic 

    5 years ago from Croatia

    I love both of them, lately I'm using CCleaner and it's good for clearing Internet cache and useless mbs.

  • internpete profile imageAUTHOR

    Peter V 

    5 years ago from At the Beach in Florida

    ComfortB - Happy to help!

  • ComfortB profile image

    Comfort Babatola 

    5 years ago from Bonaire, GA, USA

    Wow, got to check this out then. Thanks.

  • internpete profile imageAUTHOR

    Peter V 

    5 years ago from At the Beach in Florida

    ComfortB - CCleaner cleans both the registry and your computer. When it cleans your computer it deletes things in your recycle bin, temp internet files, and much more. When it cleans the registry, it removes old entities or removed shortcuts that might be slowing down your computer. If your interested in more info (why not, it is free after all!) i would recommend going to their website and learning more. There is a link above to which is where you can get the software. Hope this helps!

    (Defraging a computer helps free up space on the hard drive as far as I know, CCleaner frees up space in other parts of your computer)

  • ComfortB profile image

    Comfort Babatola 

    5 years ago from Bonaire, GA, USA

    Hmm. It's good to know. First time I'm hearing of this CCleaner. How does it differ from disfragmenting tools on most computers? I sincerely need to know.

    Thanks. Great hub, voted Up and Useful.

  • internpete profile imageAUTHOR

    Peter V 

    5 years ago from At the Beach in Florida

    mary615 - Well, it is always fun to hear from some one who has used CCleaner a lot, and still likes it!

    Computers do tend to get slower over time, but I use a toshiba that is 5 years old! It still works fine, but can be a little slow and noisy at times. One thing I have noticed is that newer websites require more resources from a computer, so an older computer, like mine, has a more difficult time running several high demand websites. So I usually only have a few tabs open at a time.

    As far as malware/virus protection, I use AVG which is a free program that has worked great for years. I suggest checking it out, and looking for more info on it, but I highly recommend it, and it is free!

  • internpete profile imageAUTHOR

    Peter V 

    5 years ago from At the Beach in Florida

    molometer - Yep, always important to be careful with free software, but I have been very impressed by CCleaner. It even automatically creates a backup. Thanks for your comment and the share!

  • mary615 profile image

    Mary Hyatt 

    5 years ago from Florida

    I have used CCleaner for a long time on my computers. Right now I use a 2 yr. old laptop by Compaq, and when I get ready to close down, I run the cleaner every night. My computer seems to get slower and slower.... am told I need a Malware program, what do you think?

    I voted this Hub UP, etc. Mary

  • molometer profile image


    5 years ago from United Kingdom

    I will give this one a go. I have used many cleaners and some of them can cause havoc.

    I always make a restore point before unleashing these programs. This one sounds very useful though. Sharing

  • internpete profile imageAUTHOR

    Peter V 

    5 years ago from At the Beach in Florida

    chloelozano - Yikes, sounds like a bad virus! I have really been enjoying using CCleaner as well! It is such a useful tool. Thanks for reading and commenting!

  • profile image


    5 years ago

    I have used CCleaner in the past and it has done wonders to clear unnecessary junk off of my laptop and get it back to optimal speed. I recently had to do a factory restore on my computer because we were infected with what we believed to be the Google Redirect Virus (a NASTY bug that managed to get past all of our scanners. CCleaner was one of the first programs I reinstalled after the restore.

  • internpete profile imageAUTHOR

    Peter V 

    5 years ago from At the Beach in Florida

    kashmir56 - Thank you! This is a great free software anyone can use and enjoy!

  • kashmir56 profile image

    Thomas Silvia 

    5 years ago from Massachusetts

    Hi internpete this is such a well written hub and so well explained on what registry cleaners are and how to use them .

    Vote up and more !!!

  • internpete profile imageAUTHOR

    Peter V 

    6 years ago from At the Beach in Florida

    CloudExplorer - Thanks for reading and commenting, and I am always thrilled to have a new follower!

  • CloudExplorer profile image

    Mike Pugh 

    6 years ago from New York City

    I personally prefer to use CCleaner myself as well, I found it to work wonders for me and for so many years since I located it on Majorgeeks. I love fixing computers, and this tool is one of the best to help me get the job done.

    Awesome hub here, voted up, oh and thanks for answering my question so honestly, you have earned another follower for sure. Speak to you soon bro.

  • internpete profile imageAUTHOR

    Peter V 

    6 years ago from At the Beach in Florida

    JDIZM - Yeah! It's great isn't it! I only started using it a few months ago, but I had heard about it for a while. Wrote this hub to share how great CCleaner is at cleaning up your computer. Thanks for reading and commenting!

  • JDIZM profile image


    6 years ago

    I use CCleaner on every windows machine I run, its like part of my routine!

    edit: I have it on my mac too, I forgot!

  • internpete profile imageAUTHOR

    Peter V 

    6 years ago from At the Beach in Florida

    Mekenzie - Glad you found this helpful! It did a lot for me especially freeing up space on my hardrive. Let me know how it goes!

  • Mekenzie profile image

    Susan Ream 

    6 years ago from Michigan

    I'm so excited I can hardly wait to try this. I'll talk to you later because I'm heading to your link .. I need my computer to work better and faster.




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