System Restore Point Keeps Growing

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  1. Posts : 282
    Windows 10 Home
       #1

    System Restore Point Keeps Growing


    Hi to all. I posted this question quite a while back and never really got a clear answer as I recall. My SSD is 256GB. It contains the operating system and all of my files. Not even half of the drive is being used. My question is more of interest rather than causing a problem. I set the system restore space usage to 5% which is 11.89GB. If I create a single restore point it starts off using around 600MB. In about a week it will grow to something like 9 or 10GB. It does this on another machine I have as well. I never remember this happening with Windows 7. Once a snapshot is taken I would think that its size would stay pretty much the same. If additional restore points are created I obviously expect it to grow. I'm not concerned about the free space being swallowed up as there is plenty of storage left as I mentioned earlier. Anyone have any idea why this happens? Thanks in advance for any replies.
    Mark
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  2. Macboatmaster's Avatar
    Posts : 993
    10, 8.1 and 7 all Professional versions, and Linux Mint
       #2

    Do you use any third party system maintenance tools especially anything connecting with disk management
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  3. Posts : 282
    Windows 10 Home
    Thread Starter
       #3

    Macboatmaster said:
    Do you use any third party system maintenance tools especially anything connecting with disk management
    Not really. The only maintenance programs I use are Ccleaner and Wise Disk Cleaner. I used them with Windows 7 also and never had this SR growth issue. As far as Ccleaner goes the only System files I have checked to clean are Recycle Bin, Temp Files, Clipboard, Memory Dumps, Ckkdsk File Fragments Windows Log Files and Windows Error Reporting. For Wise Disk Cleaner I have it set to do a scan once a week and the Windows System items checked to clean are IISLog, Windows Update Files, Temp Files created by Windows, Temp Files created by Applications, Memory Dump Files, Error Report Files, Invalid Start Menus, Invalid Scheduled Tasks and Obsolete Windows Installer.
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  4. mngerhold's Avatar
    Posts : 665
    W10-2009 19042.928
       #4

    I thought I knew the answer to this, but went searching for background to substantiate my position - and found nothing! Lots of guides on how to use SR, but nothing about how it works 'under the hood'. You will find many references to 'shadow copies', but I didn't find they helped. So here is my belief about how SR works, and why SR points might grow.

    When a manual SR point is created, it creates a snapshot of the state of various system files (and folders, of course) at that time - that snapshot does not contain all the contents of the files, but information about them (name, size, date etc). If it did contain the files themselves, it would be enormous. From that point on, SR tracks any changes to those files - to be able to recover from those changes, it has to copy and store the original versions. So necessarily the RP grows over time. When you perform a restore, it re-instates the originals.

    However, when a RP is created during, say, a Windows update, it creates the snapshot of the 'before' condition, then captures all the changes - so necessarily ends up being some size that reflects the extent of the changes. This might then grow over time, but being large to start, that growth won't be as noticeable.

    Now what I can't understand is, if I am right, why the many posters to various fora with the same question have not received this answer. I may have got it completely wrong. I don't use SR (and haven't for ages), but if this discussion develops, I may turn it on to see what it does. Meanwhile, system images are my preferred backup strategy.

    hth, Martin

    - - - Updated - - -

    PS: I think Windows 7 may have worked differently - it did create a full copy of the 'original' stuff initially, thus taking up a lot of space, but from then on the RP never has to change. Not sure where I got that idea from.
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  5. Macboatmaster's Avatar
    Posts : 993
    10, 8.1 and 7 all Professional versions, and Linux Mint
       #5

    I feel reasonably certain the cause is Wise Disk Cleaner or CCleaner and my money is on Wise Disk Cleaner
    Create a NEW restore point
    Delete the existing restore point
    Try not using them.
    Storage Sense or the windows diskcleanup will do the job adequately.

    The fact you used them on 7 is not real evidence that you can safely use it on 10
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  6. Posts : 282
    Windows 10 Home
    Thread Starter
       #6

    @mngerhold:
    I appreciate the time you took to try to figure this issue out. I too really only depend on my Macrium images for backup but do keep SR enabled as an extra measure. I just checked SR and now there is only 1 restore point created by Windows Modular Installer on 5/11. The restore point that I created was deleted because of the space I set for SR of 11.89GB. The SR point is now using 8.46GB which still seems very high.. I will keep an eye on it and post if it continues to grow.
    @Macboatmaster:
    On my other pc that I mentioned, I don't use either program on it and it is asleep most of the time as I only use it rarely (laptop). It also shows the large growth of SR point(s). In any case I appreciate your response.
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  7. mngerhold's Avatar
    Posts : 665
    W10-2009 19042.928
       #7

    @mark: You're welcome!
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  8. Macboatmaster's Avatar
    Posts : 993
    10, 8.1 and 7 all Professional versions, and Linux Mint
       #8

    Well if you do not use the apps on the other computer then one may presume they are NOT to blame
    What AV is in use - the same on both computers

    Also see this please on this heading here
    Depending on the circumstances under which you're seeing this, then Reflect could be an indirect cause.
    I appreciate the topic was not actually the RP growing in size but you will see that the explanation covers that.

    Could Macrium be a possible cause of my System Restore points disappearing?

    If a third party AV is in use it could be that if the same is in use on both, otherwise it could be Macrium
    growing size restore points | Kaspersky Community
    The reason I mentioned Wise Cleaner is that DiskKeeper was know to cause such a problem when used on 10
    https://social.technet.microsoft.com...w8itprogeneral

    albeit that was on 8.1
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  9. Posts : 282
    Windows 10 Home
    Thread Starter
       #9

    @Macboatmaster:
    Thanks much for the links. I know for sure that if a restore is done by Macrium, there is no SR points left. The next time I do a differential backup with Macrium I will note the size of my SR point before and after the backup. Ill post again when I have this info. Note that if the single restore point reaches the the size of the set limit (11.89GB) the restore point will be deleted unlike the situation mentioned in your 2nd link. If I delete the restore point the size returns to 0.
    Thanks again,
    Mark
      My Computer

  10. Macboatmaster's Avatar
    Posts : 993
    10, 8.1 and 7 all Professional versions, and Linux Mint
       #10

    Note that if the single restore point reaches the the size of the set limit (11.89GB) the restore point will be deleted unlike the situation mentioned in your 2nd link.
    Indeed but I am not sure that it shows a difference in the behaviour that effects the principle of the issue of a single RP growing in size

    However as you say the app is not in use on the other computer which exhibits the same behaviour - we must as I see it, look for a cause in use on both computers

    As I said I mentioned it only because 3rd party disk cleaners - can without doubt be responsible, as can 3rd party defraggers.

    Also as I said some third party AV programs have an occasional history of causing an increasing size of a RP during their scans
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