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Does this function actually work? I've tried on multiple laptops (HDD) to wipe the free space, every time all I get each time is a blue wheel when I try and select the drive.

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Drive Wiper can take a long time to complete, hours or even days depending on the size of your drive and how many passes you have specified.

It has to write meaningless data (Xs and 0z) to every 'free' cluster on the drive, whether it previously contained data or not. (Or all clusters if you are wiping an Entire Drive).
And then it has to delete that meaningless data again, to leave the space free again.
If you've specified multiple passes then it repeats this for the number of times you have specified.

Note that if you are trying to wipe 'Entire Drive' then for safety reasons it won't work on the system drive. (Usually C: where the Windows system files are).

Drive Wiper documentation:
https://support.piriform.com/hc/en-us/articles/204043884-Using-CCleaner-s-Drive-Wiper

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I think you've misunderstood, I can't start Drive Wiper. In fact I can't even select the drive to start it, when I move the mouse over the C drive to select it and wipe the free space I just get a blue circle. I can never select the C drive to wipe the free space.

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Sorry, I don't know then.

I can select both my drives to wipe free space. (But not C: for entire drive).

One thing that springs to mind is that CCleaner may be seeing the drive as SSD rather than HDD, it is a well known problem.
However, you say this is with 'multiple laptops' so you wouldn't expect it to see all of them wrong.

It does seem odd that you are seeing the same issue on multiple laptops.

Are you installing CCleaner on each of these multiple laptops, or are you using the Portable version?

It might also help others to help you if you can tell us what CC version you are using, and what OS(s) are on the latop(s).

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CCleaner is installed on each of the affected laptops. CC version is 5.59.7230 and OS is Windows 7 Pro fully updated.

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It seems odd that it's affecting multiple devices, but you gave me an idea.

When I tried before it was with version 5.58 and Win 10 - so it may be a glitch with the 5.59 and Win7?

It's known that newer versions of CC can be tempramental on older Windows and some users avoid updating for that reason.

I don't have Win7 to try it here, but you could try using an older CC version to see if it cures the issue.

You can find previous CC versions on the Filehippo website, they are listed to the right of the CC download page there.

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hello peterw,

 

ccleaner -> tools -> drive wiper:

 

what is in the first line "wipe"?

 

-> entire drive (all data will be erased)

or

-> free space only

 

ps: with first you cant select your c-drive because it is gray ;-)

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I've just taken a look with CC v5.59.7230 (64-bit) on Win 10 1903 and have no problem selecting the drives.

Which does suggest to me that it may well be a Win 7 / CC version issue, especially as you are seeing this on multiple Win7 systems.

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i have tryed the portable ccleaner on w7 32 bit -> works fine :-) i cant find this kind of problem on my w7-system...

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