endalldisease Posted October 6, 2020 Share Posted October 6, 2020 Hey there. So I was cleaning the empty space on my c: using Ccleaner and halfway through it stopped and said I'd run out of hard drive space. Furthermore, my hard drive now only has less than 600mb apparently and is in the red. When I began the scan I had about 300GB free. I've got 2 questions: Why did it stop and say my HD was full? Why is my hard drive STILL full <See attached image> I look forward to your reply Link to comment Share on other sites More sharing options...
Moderators Nergal Posted October 6, 2020 Moderators Share Posted October 6, 2020 1) I don't know 2) because it didn't finish. There should be file or folders in your c drive that are a bunch of random letters (if I recall correctly). Shift+Delete them and regain your space. (Again if I remember correctly) you can also try redoing the free space cleaning; ccleaner should remove those files at the beginning of the wipe (I'm pretty sure). ADVICE FOR USING CCleaner'S REGISTRY INTEGRITY SECTION DON'T JUST CLEAN EVERYTHING THAT'S CHECKED OFF. Do your Registry Cleaning in small bits (at the very least Check-mark by Check-mark) ALWAYS BACKUP THE ENTRY, YOU NEVER KNOW WHAT YOU'LL BREAK IF YOU DON'T. Support at https://support.ccleaner.com/s/?language=en_US Pro users file a PRIORITY SUPPORT via email support@ccleaner.com Link to comment Share on other sites More sharing options...
Moderators nukecad Posted October 7, 2020 Moderators Share Posted October 7, 2020 That can/will happen if Wipe Free Space (or Drive Wiper) is inturrupted unexpectedly, such as by a power failure or unplugging an external drive while it is wiping. Drive wipes work by filling up the 'free' parts of the disc with one or more files containing random data, (typically X's and Zeros) and then deleting that data. That way any files that you have previously deleted get overwritten with random data, and so cannot later be recovered by recovery software. Of course if anything should stop the drive wipe before it has deleted the random data that it has written then that random data will remain, taking up space on the disc. That sounds like what has happened to you, the wipe has been unexpectedly halted and so couldn't remove the random data it had written. So you have to remove it yourself now. If you look in File Explorer then you should see one or more files (and/or a folder) with long, apparently random, names on the drive that you were wiping. They'll have a creation date of the wipe, and a big file size. If you delete them the free space should be back. Dunno why it's filled the disc like that; but it's possible that the Windows file table somehow thought that the size of the deleted files to be overwritten with random data was bigger than the remaining capacity of the disc? That might happen if you deleted one or more (large) files and then put new files in the space that the deleted files had previously taken. - It shouldn't happen but it might. eg. Windows wrongly tells CCleaner that a deleted file took up 1GB of space and so CCleaner wants to overwrite it with 1GB of random data, but there is no longer space to do that. (In your case above a deleted file larger than 581MB, which is all that's left on the disc). In which case there would not be space on the disc for CCleaner to write what Windows said it needed to, and so Windows stops CCleaner before CCleaner gets the chance to erase the random data it had already written. Unlike Nergal I don't think that running Wipe Free Space again will fix it automatically, because it isn't 'free space' anymore it's now got files containing random data in it. (I could be wrong on that but don't think so). PS. Once you have deleted the random files and got the space back then you might want to run 'System File Check' to check/fix the Windows system files.https://support.microsoft.com/en-gb/help/929833/use-the-system-file-checker-tool-to-repair-missing-or-corrupted-system *** Out of Beer Error ->->-> Recovering Memory *** Worried about 'Tracking Files'? Worried about why some files come back after cleaning? See this link:https://community.ccleaner.com/topic/52668-tracking-files/?tab=comments#comment-300043 Link to comment Share on other sites More sharing options...
endalldisease Posted October 9, 2020 Author Share Posted October 9, 2020 Thank you both for your replies! On 06/10/2020 at 21:36, nukecad said: If you look in File Explorer then you should see one or more files (and/or a folder) with long, apparently random, names on the drive that you were wiping. They'll have a creation date of the wipe, and a big file size. If you delete them the free space should be back. Interestingly, 1 month ago (before I reinstalled a fresh copy of windows 10), when this issue happened, I did notice a couple file folders directly inside the C: folder which I attributed to ccleaner after it not finishing. I deleted them and all was well. Since reinstalling windows, now when I look in C: I don't see those folders. I figured out the command to search in file explorer to find folders larger than 4GB (size:gigantic kind:=folder) but surprisingly, nothing came up! <See screenshot> Any idea what I can do next to solve this one? Link to comment Share on other sites More sharing options...
Moderators hazelnut Posted October 9, 2020 Moderators Share Posted October 9, 2020 Have a run of Treesize to see what is eating your space. https://www.jam-software.com/treesize_free or WinDirStat https://windirstat.net/download.html Support contact https://support.ccleaner.com/s/contact-form?language=en_US&form=general or support@ccleaner.com Link to comment Share on other sites More sharing options...
endalldisease Posted October 11, 2020 Author Share Posted October 11, 2020 On 09/10/2020 at 10:51, hazelnut said: Have a run of Treesize to see what is eating your space. https://www.jam-software.com/treesize_free or WinDirStat https://windirstat.net/download.html Thanks! I installed Treesize and it made it very easy to see where the files were. It turns out, Ccleaner did actually delete the files it generated during a clean when the clean was interrupted by full disk space on the drive. The source of the files was having Dropbox desktop on two different user accounts and I had both of them synching the files to the hard drive. I went ahead and deleted the local files from one user account and problem solved! Thanks again for your help to all who replied and helped me through this one. I appreciate it. Best, Mark Link to comment Share on other sites More sharing options...
Moderators hazelnut Posted October 11, 2020 Moderators Share Posted October 11, 2020 Good to hear you are sorted Support contact https://support.ccleaner.com/s/contact-form?language=en_US&form=general or support@ccleaner.com Link to comment Share on other sites More sharing options...
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