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  1.    11 Apr 2017 #1
    Join Date : Mar 2017
    Posts : 43
    W10 Pro 64, version 1703

    Disk Management Is Seriously Misreading My Storage


    I recently tried to uninstall McAfee from a brand new HP W10 laptop using the McAfee Product removal tool, but the uninstall quit partway through the process leaving me with half a program that couldn't run or uninstall either.
    I didn't know what else to do so I finally reset my computer so I could start all over.
    Unfortunately the removal tool failed and stuck again and I had to reset the computer again, only this time the Reset stuck at 40% completion. After waiting 2 hours it was still on 40% and not moving.

    Finally I decided to shut it off and restart. When it started, it said "A configuration change was requested to clear this computer's TPM Module". It said press F1 to continue or F2 to not. I pressed F1, it rebooted and started up.
    I downloaded Revo to get rid of McAfee and finished setting up the computer.
    The computer has been running fine since then.

    But here's he problem.....I have a 1 TB SSD and I just discovered that Disk Management recognizes 940GB capacity but it says there's only 16GB free, and that is totally impossible.
    Speccy (Piriform Software) agrees there's 940GB capacity but says only 2% free space. What's going on?
    I have no games, very little music and nowhere near that much software.

    The computer thinks I'm using 98% of my C Drive and I'm only using a small percentage! What happened?
    I'm sure there's a connection with what happened with that reset, but what do I do now?
      My ComputerSystem Spec
  2.    11 Apr 2017 #2
    Join Date : Jan 2015
    UK, Midlands
    Posts : 10,934
    Win 10 Pro (1703)

    Hi, suggest you start with this to check your file system's integrity:

    From an admin command prompt
    [Windows key + X, click command prompt (admin)]
    chkdsk C: /F
    Your PC will need to restart.
    Make sure the result is clear or fixed- else do not proceed.
    Post back the result, which you can get after a restart as follows:
    How do I see the results of a CHKDSK that ran on boot? - Ask Leo!

    Then download and run Ccleaner (free) - recommended - just leave everything default and let it clean temporary files and clear your recycle bin.

    Recheck space used using file explorer.

    Then download and run Windirstat (free) and post a screenshot of what that says (the scan will take a minute or two).

    When this shows the pretty coloured picture of your space usage, mouseover or click on the three largest blocks or areas used and identify them.

    Also please post a screenshot of Disk Management, and your system restore settings:
    Click image for larger version. 

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    Last edited by dalchina; 11 Apr 2017 at 08:07.
      My ComputerSystem Spec
  3.    11 Apr 2017 #3
    Join Date : Mar 2017
    Posts : 43
    W10 Pro 64, version 1703
    Thread Starter

    Thanks for the come back dalchina. It wouldn't perform the chkdsk. Here is what it said:

    C:\WINDOWS\system32>chkdsk C: /F
    The type of the file system is NTFS.
    Cannot lock current drive.

    chkdsk cannot run because the volume is in use by another process. Would you like to schedule this volume to be checked the next time the system restarts?

    I didn't have any programs open, unless it's complaining about Kaspersky running in the background or some other background process?
      My ComputerSystem Spec
  4.    11 Apr 2017 #4
    Join Date : Jun 2015
    Posts : 217
    trying to install win10

    You are booted into that drive, therefore it is in use. That is what it means by "another process".
      My ComputerSystem Spec
  5.    11 Apr 2017 #5
    Join Date : Aug 2016
    S/E England
    Posts : 4,477
    10 Home x64 (1709) (10 Pro on 2nd pc)

    Quote Originally Posted by DC10 View Post
    Would you like to schedule this volume to be checked the next time the system restarts?
    If you say "Yes", it will schedule a chkdsk to run when you reboot the PC, before Windows starts.
      My ComputersSystem Spec
  6.    12 Apr 2017 #6
    Join Date : Mar 2017
    Posts : 43
    W10 Pro 64, version 1703
    Thread Starter

    Bree I told it Yes, shut down, restarted, it flashed a quick screen that said it would start chkdsk in 8 seconds, but then it didn't. It just booted up and went to the start screen as usual. Tried several times, same result.
    So I went back to the Admin command prompt and scheduled a chckdsk C: without adding the /F at the end and it performed a quick scan of the C: Drive and produced a report that confirmed that I only had about 2% free space remaining on the C: drive and it stated there were no problems with the drive. GRRR

    I checked Disk Management again and no change, but out of curiosity I right clicked the C: Drive in Disk Management and guess what I found.........the culprit!
    A file, not a folder but just a TMP file labeled: Reset_SafeToDelete_OverwriteSpaceFile_0.tmp, and the size of this file is 878GB!

    So Disk Management is not misreading my storage, it's actually there....878GB worth in just 1 file!
    It's located in "This PC >Windows (C)" Everything else in this location is all folders except for this single TMP file.
    I suspect I could just delete this monster file, but I decided to post back here about it first and get your thoughts.
    Last edited by DC10; 12 Apr 2017 at 03:03.
      My ComputerSystem Spec
  7.    12 Apr 2017 #7
    Join Date : Jul 2015
    Posts : 3,694
    10 Pro

    I'd delete it - especially with a name like that.

    If you google Reset_SafeToDelete_OverwriteSpaceFile_0.tmp that is what everyone else who got it did.

    Run TRIM on your SSD after.
      My ComputerSystem Spec
  8.    12 Apr 2017 #8
    Join Date : Mar 2017
    Posts : 43
    W10 Pro 64, version 1703
    Thread Starter

    Quote Originally Posted by DC10 View Post
    .
    ...........I right clicked the C: Drive in Disk Management and guess what I found.........the culprit!
    A file, not a folder but just a TMP file labeled: Reset_SafeToDelete_OverwriteSpaceFile_0.tmp, and the size of this file is 878GB!

    So Disk Management is not misreading my storage, it's actually there....878GB worth in just 1 file!
    It's located in "This PC >Windows (C)" Everything else in this location is all folders except for this single TMP file.
    Well I finally went in and deleted the file "Reset_SafeToDelete_OverwriteSpaceFile_0.tmp" which was an 878GB file and everything appears to be back to normal. This ridiculous file somehow snuck in the back door as a result of that 40% Reset I mentioned in my 1st post. If you Google the name of the above file you'll find that my case was not the first, there's been a few others.
    Out of all my years with W7 I never had any really stupid problems like that. A few problems yes, but not really stupid ones like this. 7 was a great OS. Leave it to Windows 10.
      My ComputerSystem Spec
  9.    12 Apr 2017 #9
    Join Date : Mar 2017
    Posts : 43
    W10 Pro 64, version 1703
    Thread Starter

    Quote Originally Posted by lx07 View Post
    I'd delete it - especially with a name like that.

    If you google Reset_SafeToDelete_OverwriteSpaceFile_0.tmp that is what everyone else who got it did.

    Run TRIM on your SSD after.
    "Run TRIM on your SSD after"?
    Manually? I thought that was performed automatically......how do I do that?

    I have a Samsung SSD and they say all their SSD's are TRIM capable and I checked and my computer says TRIM is enabled. I hope so.
      My ComputerSystem Spec
  10.    12 Apr 2017 #10
    Join Date : Jul 2015
    Posts : 3,694
    10 Pro

    Go to Defragment and Optimize Drives and click on Optimize

    It will do it automatically (eventually) but as you've just deleted a file that took 99% of your disk it is worth doing it manually just this once. It will carry on with its weekly schedule after that as normal.
      My ComputerSystem Spec

 
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