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CCleaner not deleting Chrome JS files nor Edge JS files


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Chrome and Edge build up a huge amount of JS files. I had to add the following to the Options, Include to remove them.

Either this is a CCleaner bug or they should be included as on option.



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Je (Piriform Support)

Dec 14, 2021, 6:21 EST

Hi Andy,

Thank you for your email.

I understand your concern regarding in this issue and let me assist you. I tried to look for similar cases like yours, however, it doesn't show any related similar case. We had checked as well whether this can be created in our end unfortunately, issue did not appear.

Our team would like to thank you in reporting this issue.

As of now, may I ask if you have any other concern or questions?

Looking forward in your response.

Kind regards,

Je | CCleaner Support - Manila, Philippines


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Laurence (Piriform Support)

Dec 21, 2021, 5:11 EST

Hi Andy,

I have been asked to look into your support request, sorry you are having problems with CCleaner cleaning your Chrome data.

Thank you for highlighting this to us we have found the issue and it will be fixed in the next update to CCleaner.

If you’re having any trouble with this, or if you need anything else, please feel free to email me back.

Kind regards,

Laurence | CCleaner Support - London, UK

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  • 4 weeks later...

This is all about JS files, NOT cookies, the cookies were just in the screen shot. I believe if you look into where I have indicated the JS files are in my screen shot you will find hundreds of JS files.  I delete them regularly and find no performance hit or any other problems.

Check this https://www.zdnet.com/article/these-hidden-cache-files-are-bloating-your-google-chrome/ the same is true for Edge Chromium

If you Google chrome delete cache js files, you will find more articles.

I suggest that you give this an option in CCleaner under Chrome and Edge to allow the user to remove this JS bloat.

Thank you.


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  • Admin
21 hours ago, Haapy said:

This is all about JS files

The dev team added a ticket to review this scenario for cleaning back in December after you first raised it. Naturally, new chunks of stuff to clean from browsers is always of interest.

On 15/12/2021 at 15:29, Haapy said:

It is safe.

Probably for most scenarios, but the QA team will be wanting to check for unintended consequences across a range of configurations for users running web-based apps before releasing. Given the size of CCleaner's user base, even corner cases adversely impacting < 2% of the user base are things that we endeavour to avoid.

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Thank you Dave. I totally understand the need for complete testing. 

I have it in my Options Include along with the \Network\Cookies and all is good on this end.

That Options\Include is a wonderful option.


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  • Moderators

In Edge if you open Settings ...Privacy Search and Services.. and where is says' Clear Browser Data' click underneath it on  'Choose what to clear'

In the pop up window that opens and make sure 'Cached images and files'  is turned on.

This will clear code cache on Edge  each time you close it.

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@AndavariI do not know what the Winapp2.ini additions are. I am trying to use the vanilla CCleaner. I use the Options, Include for any junk files that CCleaner does not take care of.  Just to be clear, for Chrome and Edge, CCleaner IS cleaning \Cache\Cache_Data, but it is NOT cleaning \Code Cache\Js NOR \Cache\Wasm.

@hazelnut  I am looking for CCleaner to my cleaning in one operation. In Chrome and Edge I have cookies that I want to keep, therefore I do NOT want to delete all cookies on Edge or Chrome close.

I am using Chrome Version 97.0.4692.71 (Official Build) (64-bit)

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  • 1 month later...

@Andavari, Dave CCleaner, Andrei CCleaner, Stephen CCleaner

Is anybody at CCleaner doing anything about the JS files with Edge and Chrome?

Please ignore the reference below to \Network\Cookies.




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