• Will older version of CCleaner work OK in Windows 10?

    • This topic has 6 replies, 6 voices, and was last updated 2 months ago.



    I see that there has already been recent discussion/mentions of CCleaner, but it doesn’t zero in on my particular compatibility question, hence this post.

    Until now, I have stuck with Windows 7 Pro 64-bit (and ESU updates) on my Lenovo laptop, but in December or January will be moving to Win 10 64-bit Pro on a new Lenovo.

    I have long been using Piriform CCleaner version 5.32.6129 (installed, not portable), which was the last (or at least one of the last) versions released before Piriform’s acquisition by Avast (and the issues that followed it).

    My question before installing this version of CCleaner on the new computer: I recall seeing a warning awhile back that this-vintage version of CCleaner was not fully compatible with Windows 10. I don’t recall the details, but I think it was related to unintended file deletions from certain folder(s). Can anyone shed any light on this? One thing I definitely want to avoid is browser history deletion, as I use browser history frequently — especially in Firefox.

    BTW, before anyone suggests that I can fully avoid CCleaner by using other tools such as Windows Disk Cleanup, please note that I rarely use CCleaner to do any deletions or other tasks besides these: (1) simple deletion of all cookies that I haven’t pre-designated as “keep” (all browsers); (2) simple deletion of browser cache (all browsers); and (3) importantly,  pre-defined custom file deletions on a few folders per my designated deletion schedule. And I can do this all with one click before shutting down (or with no clicks if I want to enable auto-run on startup). If anyone can suggest any other apps that perform all these functions safely with one or two clicks, I’d welcome hearing about it. Or if anyone can vouch for a later version(s) of CCleaner playing nice without intrusiveness, I’d welcome hearing about that, too.


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    • #2501513

      the problem is that certain security updates released in late 2018 for Win7 & Win10 block usage of very old versions of CCleaner like 5.32; Win10 versions 1809 & later also “break” usage of CCleaner until avast themselves released an updated version that worked with 1809 & newer Win10 releases:


      saw this german blog that the KB4469342 update for win10 v1809 (and possibly newer updates) “broke” old versions of CCleaner:

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    • #2501591

      I use the settings of the browsers themselves to keep only cookies and cache for some sites, while everything else is deleted on browser exit. That’s zero clicks.

      Custom file deletion I handle with a simple batch file – just a few del commands to clear out specific folders. That’s a double-click to run it manually, or no clicks by using Task Scheduler to run it regularly. I also have a pause at the end so that I get a chance to read the output before I tap one key to close the command prompt window.

      This is what I have been doing since I stopped using CCleaner, which was because of Avast.

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    • #2501651

      Hi rick41:

      I have a 64-bit Win 10 v21H2 OS and run the current CCleaner Portable Free v6.06 from a removable USB thumb drive. When I unzip the ccsetup6xx.zip file I only keep the minimum files required to launch the portable version (i.e., CCleaner64.exe, portable.dat and the ccleaner.ini configuration file I re-use for each new update) and only run manual Custom Clean scans. That means I do not allow any of the unnecessary (and often buggy and potentially harmful) bloat that has been added to CCleaner in recent years like CCleaner’s PC Health Check, Performance Optimizer, Software Updater, Driver Updater, Bug Reporter, etc. to run on my system. I do not allow CCleaner to clean anything in my default Firefox browser after CCleaner v5.69 wiped all customized settings in Firefox browser add-ons if CCleaner was set to clean Internet Cache and/or Compact Databases in this browser (see APMichael’s 27-Jul-2020 post in Problem with Firefox 79 [Fixed in v5.70]this “bug” is present in all CCleaner v5.69 and earlier versions and was caused by changes to storage.sync in Firefox v79 and higher in July 2020), and I only use CCleaner to clean my “backup” browsers and a few standard items on my hard drive like my Windows temp files (see attached images).

      The CCleaner release notes at https://www.ccleaner.com/ccleaner/version-history only date back to v5.75 (rel. Dec 2020), but those release notes show that several tweaks have been made to CCleaner since 2020 for optimum cleaning of Win 10 and Win 11, as well as newer browser versions and other third-party software. According to my notes the v5.32 you are currently using dates back to July 2017. I understand your hesitancy to update above v5.32 (I was one of the 32-bit CCleaner users who had the Floxif trojan bundled with the CCleaner v5.33 installer infect my system – see my 19-Sep-2017 post <here> in the Norton forum). However, CCleaner v5.64 (rel. March 2020) is the final “sunset” build recommended for Win XP and Vista, so your v5.32 (rel. July 2017) is several years out-of-date. There have also been several updates to the digital certificates in CCleaner since 2017 that improve the security of newer versions of CCleaner, and many antivirus programs will not allow older versions of CCleaner to run for this reason.

      Full functionality of much of the unnecessary bloat that’s been added to the installed version of CCleaner in recent years (e.g. Software Updater, etc.) requires a Pro license, but I still would not recommend that anyone install the current version of CCleaner v6.x on a Win 7 SP1 or higher machine. The latest CCleaner Portable Free v6.06 should be fine if you have cookies that absolutely cannot be cleaned (which is rare these days – for security reason most websites have gotten away from saving important settings in cookies) and you can’t create cookie exceptions in your browser settings.  However, I would never run a Custom Clean in any edition of CCleaner v6.x with it’s default settings. You don’t have to run CCleaner Portable v6.x from a removable USB thumb drive – just unzip it somewhere in your C:\Users\<yourusername> folder (e.g. C:\Users\<yourusername>\Downloads), delete the unnecessary executables and folders  (an optional step) and then create a shortcut to the CCleaner64.exe (or CCleaner.exe if you have a 32-bit OS) executable on your desktop.

      I’ve run a few preliminary tests with BleachBit, Wise Disk Cleaner and HDCleaner as alternatives to CCleaner but for now I still prefer using CCleaner Portable v6.x – as long as I only use the Custom Clean feature and pay attention to what it’s cleaning.
      Dell Inspiron 5584 * 64-bit Win 10 Pro v21H2 build 19044.2251 * Firefox v107.0.0 * Microsoft Defender v4.18.2210.6-1.1.19800.4 * Malwarebytes Premium v4.5.18.226-1.0.1823 * Macrium Reflect Free v8.0.7175 * CCleaner Free Portable v6.06.10144

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      • #2501689

        I’ve been using version 5.58.7209 in combination with CCEnhancer 4.5.3.  I, too, used CCleaner 5.32 for Win 7 but it wouldn’t work on Win 10.

        I set up my firewall to block any outgoing data for CCleaner, including its emergeny updater. All the features of CCleaner work well except for the software updater. I use PatchMyPC for that purpose.

        I recall reading a post some time ago on gHacks where the issue of the using an older version of CCleaner for Win 10 was discussed. The one I’m using currently was considered “safest” for Win 10. If my memory was better I would provide the post.

        I have tried to use Bleach Bit, Wise Disk Cleaner, and HD Cleaner but am most comfortable with what I’m using. Of course, you must be careful as to what you chose to clean. That’s my 2 cents, for what it’s worth.

        Peace, CAS



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      • #2501727

        CCleaner is OLD news here, I no longer use it for either Win8.1 Pro or 10 Pro editions although did use v5.32 with Win7 that even with exceptions to MS Defender, didn’t work right in W10.
        Instead, I found a worthy replacement in Bleachbit 4.4.2 Portable with a modified winapp2.ini per device with different installed software that fits the bill nicely.
        As usual, it’s the time and effort put into it that reaps the satisfying rewards longterm.

        Winapp2 info:
        https://docs.bleachbit.org/doc/winapp2ini.html (standard)
        https://github.com/bleachbit/winapp2.ini (more advanced)

        Bleachbit info:

        Has no telemetry, only update checks which can be switched off via the preferences interface. I have bleachbit set to autoclose once a cleanup is completed in the knowledge it has done what was requested. (one of my favorite tweaks that’s a timesaver too)

        WaaS = Windows as a Syphon...suckers!

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    • #2501774

      Thanks to everyone who replied (and future replies) for detailing your individual experiences and suggestions.  Much appreciated.  The info here will be very helpful in zeroing in on an effective and safe Win 10 cleaning approach that best meets my needs.  I may have followup questions for some of you over the coming weeks.

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