Windows 10: Duplicate entries in registry

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  1.    02 Dec 2017 #1

    Duplicate entries in registry


    I have found hundreds of duplicate entries in Windows 10 registry, is there a way to remove them simply?
    Just a few:

    Click image for larger version. 

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      My ComputerSystem Spec


  2. Posts : 4,249
    Win10 Home and Pro, Win10 Insider Preview, Win7 Home, Linux Mint
       02 Dec 2017 #2

    Are they all in the same Key? The Registry is 5 text files known as Hives and many times the same entry will be in 2 or more of the Hives. There are abundant naysayers but I've use CCleaner [formerly named Crap Cleaner] for years to clean the Registry without problems. Can't say that about some other cleaners that have been known to have problems. Manually editing the Registry can allow a small problem to slip in that will prevent Windows working but carefully following suggested edits can work.
      My ComputerSystem Spec

  3.    02 Dec 2017 #3

    They are not duplicate entries.
    If you look closely you will see that the last 2 hex characters in the first group of 8 are all different. This is not unusual. Do not delete any of them.
      My ComputerSystem Spec


  4. Posts : 590
    Windows 10
       02 Dec 2017 #4

    Those are not duplicates. You would find out if you looked more closely in detail.

    It illustrates why people should not be going in the Registry and mess around.
      My ComputerSystem Spec

  5.    03 Dec 2017 #5

    LMiller7 said: View Post
    They are not duplicate entries.
    If you look closely you will see that the last 2 hex characters in the first group of 8 are all different. This is not unusual. Do not delete any of them.
    You are right, the last 2 in the first set is different, thanks....
      My ComputerSystem Spec

  6.    03 Dec 2017 #6

    Helmut said: View Post
    Those are not duplicates. You would find out if you looked more closely in detail.

    It illustrates why people should not be going in the Registry and mess around.
    Notice that I posted before making changes - got broke in on 3.1.
      My ComputerSystem Spec

  7.    03 Dec 2017 #7

    Berton said: View Post
    Are they all in the same Key? The Registry is 5 text files known as Hives and many times the same entry will be in 2 or more of the Hives. There are abundant naysayers but I've use CCleaner [formerly named Crap Cleaner] for years to clean the Registry without problems. Can't say that about some other cleaners that have been known to have problems. Manually editing the Registry can allow a small problem to slip in that will prevent Windows working but carefully following suggested edits can work.
    I use ccleaner, but LMiler7 pointed out something that I missed in that the last 2 characters in the first string are different.
      My ComputerSystem Spec

  8.    03 Dec 2017 #8

    Always remember that modern operating systems are very complex and there is much going on that is far from obvious. First impressions are often wrong. Never delete anything in the registry unless you really understand what you are doing, and then think twice. The same for the Windows folder and all of it's subfolders.

    There are some things about Regedit that are often missed. Unlike a text editor there is no separate "Save" command needed to actually make changes. All changes are immediate. And there is no undo facility so there is no easy way to reverse changes. Regedit is a powerful tool but like all such it takes time to learn how to use it effectively.
      My ComputerSystem Spec

  9.    03 Dec 2017 #9

    LMiller7, I never assume anything, when I make a change in the registry, I always export first so it can be restored. I always create a restore point just in case - I have Task Scheduler create a restore point every night.
      My ComputerSystem Spec


  10. Posts : 4,249
    Win10 Home and Pro, Win10 Insider Preview, Win7 Home, Linux Mint
       03 Dec 2017 #10

    A nice feature of CCleaner is it does prompt to make a backup of the Registry before letting it make changes.
      My ComputerSystem Spec


 
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