Ccleaner not clearing all Chrome info.

  Batch 01 May 11
Locked

If anyone is using Chrome and expecting Ccleaner to clear all traces of your browsing history you will be sorely disappointed.

The latest version (3.06.1433) released a few days ago now includes cleaning out the Speed Dial info (simply by deleting Chrome's Top Sites file).

But Chrome's History file still includes traces of browsing history (e.g. C:\Documents and Settings\USERNAME\Local Settings\Application Data\Google\Chrome\User Data\Default\History - you can view it with Notepad).

Also, if you have the Chrome DNS pre-fetching enabled, more evidence of browsing history is kept (in the dns prefetching section of Chrome's Preferences file (e.g. C:\Documents and Settings\USERNAME\Local Settings\Application Data\Google\Chrome\User Data\Default\Preferences). The short term workaround for this is to turn this DNS cache facility off and on a couple of times (until Chrome purges the dns prefetching section of Preferences) and then leave it turned off.

These shortcomings have been notified to Piriform, so hopefully a later release will address these matters.

  Batch 01 May 11

BTW, in the short term I use a workaround to address the History file issue. I run Ccleaner from a batch file with Ccleaner's /auto command line argument and then follow that (in the same batch file with the deletion of the History file). I've been doing this for a couple of weeks now without any apparent side effects.

Previously I deleted the Top Sites file (which contains the Speed Dial info) in the same way. Now Piriform have included the same functionality in Ccleaner.

  rdave13 01 May 11

Won't the browser itself do it? chrome

Ccleaner seems to fail, to some extent, with IE9 as well.

  Batch 02 May 11

Chrome claims to clear most of it, but to clear the stuff using Chrome is not a one click solution (similar can be said in respect of IE). One of the great advantages of Ccleaner is that it (should) provide a one click solution to clearing all sorts of history / trails, not just from the browser.

Anyhow, my posting was just to warn others of the potential holes in Ccleaner's operation.

  sunnystaines 02 May 11

have you added ccenhancer to see if it helpslink text

  Batch 02 May 11

No - not yet. I only became aware of the winapp2.ini functionality earlier today. I intend to look into it and if the required support isn't in there I'll add it in if I can.

The deletion of the Chrome History file by this method looks like it should be straight forward.

Not so sure about editing the Preferences file by this route. Firstly not sure if such capabilities are supported. Even if it is, it could risk instabilities if one doesn't edit the file correctly. I tried doing it manually and Chrome crashed on startup. So for now have left the DNS cache disabled.

  Batch 03 May 11

OK, on further investigation have found a better solution to the deletion of Chrome's History file.

I've used Ccleaner for years and basically just ran it "out of the box". Having looked under the Options tab there is additional functionality which includes the ability to specify files which are to be deleted when Ccleaner runs its Cleaner function. So have just added the History file to this. Much slicker than my batch file

Still can't find a solution to the DNS prefetching info that is stored in the Preferences file. winapp2.ini doesn't facilitate sophisticated capabilities such as editing files on the fly. So will leave Chrome's DNS prefetching switched off for now.

  ali15 04 Jun 15

i think google chrome is synchronizing every thing including your browsing history and ccleaner is unable to delete that because it is under sync process due to your google account on chrome.. i think you should untick history to be synchronize in setting>advanced sync settings ( on top )> then untick history ... then try ccleaner .. it helped for me.. i hope it may help for you.. GOOD LUCK..

  Fruit Bat /\0/\ 04 Jun 15

I just stopped chrome from saving my history completely years ago

C:\Users[User Name]\AppData\Local\Google\Chrome\User Data\Default

find the history file (no file extension) choose Properties. In the Properties window, check the box for Read-Only and then press Apply.

In OS X, right click on the file and choose Get Info (or highlight the file and press Command-I). Under “General,” check the box for Locked.

Chrome will no longer store your history as the history file can no longer be written to.

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