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My hard drive keeps losing space

My hard drive keeps losing space out of nowhere. A few moments ago I had 630gb of storage free, now I have 622gb, but I havent downloaded anything. Also when I use windirstat it shows that Im using 642gb of storage compared to the 751gb windows says Im using. Im afraid it might be a virus or malware, is there a way to recover the lost space without wiping my hard drive?
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  1. I copied and pasted an answer I used in a similar thread. I honestly think it's Windows indexing. If you agree, I'll be happy to tell you how to modify it. If it's a virus/trojan then run ADWCleaner and then Combofix. Download them both from Bleeping computer's website. But my first guess is Windows indexing. Also, did you just install this drive?

    Check these things first:

    (1) Windows page file: <right click> computer -> properties -> advanced system settings -> advanced [tab] -> settings [performance] -> advanced [tab] -> change -> What is the page file set to???

    Most likely it'll be set to the same size as your RAM. I have 64 GB of RAM and I just lowered my page file to 4 GB. What does it say next to currently allocated?

    (2) Windows indexing size. Navigate to here and state how large the file is: C:\ProgramData\Microsoft\Search\Data

    (3) hibernation file takes up space. Turn it off:

    windows key + r -> cmd -> powercfg /hibernate off <ENTER>

    (4) Download and run WinDirStat to see what's takes up all the space: http://www.bleepingcomputer.com/download/windirstat/
  2. Best answer
    Hi there FBlazen,

    Your system is most probably creating restore points. You need to adjust your system restore options. Just reduce the space allocated for that and delete previous restore points. Check this out: http://www.howtogeek.com/howto/5482/make-system-restore-use-less-space-in-windows-7/

    It will not hurt to perform some antivirus/malware scanning.

    Cheers,
    S_Know_WD
  3. Doh, I forgot about restore points. That's very possible.
  4. rcald2000 said:
    I copied and pasted an answer I used in a similar thread. I honestly think it's Windows indexing. If you agree, I'll be happy to tell you how to modify it. If it's a virus/trojan then run ADWCleaner and then Combofix. Download them both from Bleeping computer's website. But my first guess is Windows indexing. Also, did you just install this drive?

    Check these things first:

    (1) Windows page file: <right click> computer -> properties -> advanced system settings -> advanced [tab] -> settings [performance] -> advanced [tab] -> change -> What is the page file set to???

    Most likely it'll be set to the same size as your RAM. I have 64 GB of RAM and I just lowered my page file to 4 GB. What does it say next to currently allocated?

    (2) Windows indexing size. Navigate to here and state how large the file is: C:\ProgramData\Microsoft\Search\Data

    (3) hibernation file takes up space. Turn it off:

    windows key + r -> cmd -> powercfg /hibernate off <ENTER>

    (4) Download and run WinDirStat to see what's takes up all the space: http://www.bleepingcomputer.com/download/windirstat/


    rcald2000 said:
    Doh, I forgot about restore points. That's very possible.


    Sorry I havent replied, I didnt have internet for a while. I forgot to mention that Im using a laptop and recently upgraded to windows 10.

    My page file reads 1280mb
  5. D_Know_WD said:
    Hi there FBlazen,

    Your system is most probably creating restore points. You need to adjust your system restore options. Just reduce the space allocated for that and delete previous restore points. Check this out: http://www.howtogeek.com/howto/5482/make-system-restore-use-less-space-in-windows-7/

    It will not hurt to perform some antivirus/malware scanning.

    Cheers,
    S_Know_WD


    Thanks! I just checked and I was using 240gb in system restore points, I just changed to 13gb since thats the minimum.
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