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Resolved Pre-boot virus scan

Discussion in 'General Discussions' started by Lugwalker, 2021/12/26.

  1. 2021/12/26
    Lugwalker Lifetime Subscription

    Lugwalker Forever Autumn Thread Starter

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    My anti-virus provider Avast recently reminded me to do a boot-time scan which I duly did. In actual fact I did two boot- time scans. It did, of course, take a lot of time in doing so. The thing I noticed afterwards was that I now had about 3GB of free space less than I had before the scans. Does anyone know why this might have happened? Thank you.
     
    Lugwalker,
    #1
  2. 2021/12/26
    Steve R Jones

    Steve R Jones SuperGeek Staff

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    How did you notice this loss?
    Did you go looking for some new files?
    Did you reboot incase it was a large temp file?
     
    Steve R Jones,
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  4. 2021/12/26
    Lugwalker Lifetime Subscription

    Lugwalker Forever Autumn Thread Starter

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    I regularly check my C: drive, which was what I did the day after two boot-time scans. It was then that I noticed that my free space had dropped from 35 GB to c.30GB. How would I search for a large temp file?
     
    Lugwalker,
    #3
  5. 2021/12/26
    PeteC

    PeteC SuperGeek Staff

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    Start > Run > type in %temp% > Enter. This will open the Temp files folder in Windows/File Explorer.
     
    PeteC,
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  6. 2021/12/26
    Lugwalker Lifetime Subscription

    Lugwalker Forever Autumn Thread Starter

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    The biggest temporary file on my system is VSU (Revouninstaller) 15mb.
     
    Lugwalker,
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  7. 2021/12/26
    PeteC

    PeteC SuperGeek Staff

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    When in the Temp file folder did you Select All - Properties to see the overall size of that folder? Was it several GB? As you know it is safe to delete all those temp files and folders - I suggest you do this and see if your missing GB are restored.

    If not look in the Windows temp folder C:\Windows|temp. This is not the same folder that you viewed with the %temp% run command.
     
    PeteC,
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  8. 2021/12/26
    Lugwalker Lifetime Subscription

    Lugwalker Forever Autumn Thread Starter

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    Yesterday I had as much as 35GB free space. This morning, after the two preboot scans, it dropped to 23GB. A few minutes ago, after following your cleaning suggestions and running Avast Premium Cleanup, it became 31.6GB. Just now I see that my free space has become 34.6GB. Curiouser and curiouser!
     
    Last edited: 2021/12/26
    Lugwalker,
    #7
  9. 2021/12/27
    PeteC

    PeteC SuperGeek Staff

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    Very strange, but at least you appear to be back to square one with the free space.
     
    PeteC,
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  10. 2022/01/08
    Lugwalker Lifetime Subscription

    Lugwalker Forever Autumn Thread Starter

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    Lugwalker,
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  11. 2022/01/08
    Lugwalker Lifetime Subscription

    Lugwalker Forever Autumn Thread Starter

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    I did the %temp% thing and only found around 8mb of TMP files.
     
    Lugwalker,
    #10

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