Registry backup file question


  1. Posts : 4
    Windows 10
       #1

    Registry backup file question


    Hello,

    I wonder whether anyone can tell me if I have messed up. I was busy saving a .reg file of a whole registry backup of my new Win 11 PC onto my Win 10 PC when I noticed a very old whole registry backup file for my Win 10 PC from 2014. I meant to delete it but I may have clicked it instead by mistake as I saw something pop up very briefly on my screen and then disappear. I am afraid to reboot my computer before taking advice. Would I have inadvertently replaced my registry file with the old one by mistake? If so, can I do anything about it?
    Windows 10 22H2 (OS Build 19045.3693)
      My Computer


  2. Posts : 43,010
    Win 10 Pro (22H2) (2nd PC is 22H2)
       #2

    Welcome to tenforums.

    You appear to be talking only about 'backup' files - so it seems the question is whether you've overwritten an old file with another - that they are registry backup files in particular seems irrelevant.

    You also say the file you're concerned about is from 2014. As such, surely that would be of no use whatsoever, so its loss would be of no concern.

    I'm assuming you've not actually made changes to the registry in use of course.

    As a general principle, considering the risk of losing files, I would hope you have a full routine backup scheme in place anyway, so if you had overwritten a file you wanted to keep, you could retrieve it from a backup.

    For any further comment I suggest you post a screenshot showing what files you're referring to and where they are. Thanks.

    ================

    Backing up the registry is only really useful in very particular circumstances.
    Did you know that creating System Restore points creates a registry backup as part of what is secured?
      My Computers


  3. Posts : 4
    Windows 10
    Thread Starter
       #3

    Thank you for your reply. My concern is that I wonder whether I have inadvertently altered the registry by clicking the file as something popped up onscreen and disappeared before I could read it. I do not want the old file but I haven't taken a new registry backup since then on that computer. I do have EaseUsToDo backups of my system which I take regularly but I don't have a specific registry backup file if I have messed up. I am currently backing up all of my data again before I attempt to reboot my PC.

    My worry is might I have overwritten the registry by clicking on the old file or does one have to go into regedit to do this which I definitely did not do?

    I am setting up my new PC but am still working on my old one so I do hope I haven't caused myself a problem.
      My Computer


  4. Posts : 43,010
    Win 10 Pro (22H2) (2nd PC is 22H2)
       #4

    If you double click a .reg file you should see:
    Registry backup file question-1.jpg

    - so you'd have to click Run to have it merge.

    Creating registry backups isn't a reliable way to back up in general. There's a good chance of creating an inconsistency if restoring a whole registry after a few days, for example.

    By all means, if editing the registry, back up specific keys for temporary protection.

    But System Restore is a far better complement to disk imaging.
    There's a tutorial on scheduling the creation of restore points- I have one created daily automatically.
      My Computers


  5. Posts : 4
    Windows 10
    Thread Starter
       #5

    Thanks for your reply once again. I think the window which appeared briefly was black (a bit like command prompt but not quite as it looked semi transparent). I think I saw reg at the top right of the window but it flashed up behind an existing open window so I didn't see everything. I presume I would not have pressed run so hopefully all will be well when I reboot.
      My Computer


  6. Posts : 4,594
    several
       #6

    It is preferable to backup the registry hives instead of a giant .reg file.

    there is a useful little free program called regbak
    Acelogix Software - Downloads
      My Computer


  7. Posts : 43,010
    Win 10 Pro (22H2) (2nd PC is 22H2)
       #7

    If you single clicked it that would just select it.. rt clicking would have generated a big context menu.

    If you'd double-clicked it .. I've shown you that.

    Rt clicking and dragging would have given you a small options menu.
    Can't think what you saw..

    =======

    FYI:
    It used to be that automatic backups of the registry were kept by the O/S- MS stopped that a long time back.
    However, that can be reinstated:
    Enable Automatic Backup of System Registry when Restart in Windows 10

    But as I said, registry backups are only useful in very specific circumstances. There are better ways as I mentioned above.
      My Computers


  8. Posts : 4
    Windows 10
    Thread Starter
       #8

    Thank you for your replies. After backing up my data I restarted my PC and it seems to be working OK. Phew!
      My Computer


 

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