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Resolved What is the difference between DWORD(32-bit) and QWORD(64-it) in Registry.

Discussion in 'Windows 10' started by BobbyScot, 2019/05/02.

  1. 2019/05/02
    BobbyScot

    BobbyScot Geek Member Thread Starter

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    As of interest, which is the correct procedure in using a Registry entry when computer make up is a 64-bit?
     
    BobbyScot,
    #1
  2. 2019/05/02
    retiredlearner

    retiredlearner SuperGeek WindowsBBS Team Member

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    retiredlearner,
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  4. 2019/05/02
    BobbyScot

    BobbyScot Geek Member Thread Starter

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    RL, thank you for response, appreciated. Explanation is straight forward, but not clear as to which is correct. My Windows is 64-bit, checking various DWORD in Registry all entries are 32-bit.
     
    BobbyScot,
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  5. 2019/05/03
    TonyT

    TonyT SuperGeek Staff

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    DWORD and QWORD have nothing to do with whether or not the operating system is 32bit or 64bit. The D or Q value is for the length of the registry value itself, simply put,. that value is loaded into system memory and used by the operating system.

    A WORD = 16 bits.
    A DWORD = DOUBLE WORD = 32 buts.
    A QWORD = QUAD WORD = 64 bits.

    A "word" refers the the addressing size of the target processor. When Windows was first devised, a word was 16 bits, hence the 16-bit size for the WORD type. But most processors these days address 32 bits at a time, so they have 32-bit words. For backwards compatibility, WORD stayed the same, even though—from the name—it should be 32-bits.

    What's in the registry?
     
    TonyT,
    #4
  6. 2019/05/04
    retiredlearner

    retiredlearner SuperGeek WindowsBBS Team Member

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    Bobby, my question would be "What are you doing in the Registry?"
    If it ain't broke - don't fix it.
     
    retiredlearner,
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  7. 2019/05/04
    alanrf

    alanrf Well-Known Member

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    My feelings exactly. Never, ever, venture into areas where you do not have a full understanding, both of the content and of the risks! One random keypress in the wrong place when looking at the Registry can effectively brick your computer!!

    I always rather like the Firefox warning when checking the about:config file "Here be dragons!"
     
    alanrf,
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  8. 2019/05/06
    BobbyScot

    BobbyScot Geek Member Thread Starter

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    Gentlemen, fellow members, that is precisely what we should all do - to keep out of the registry or be in the end real sorry, as I realise it requires a complete recovery by reinstalling Windows 10. I may be entirely wrong, but found that a complete recovery does not fully restore the Registry or indeed the computer itself, as on occasions that I was forced to make a recovery, some files and programs where still current.
     
    BobbyScot,
    #7
  9. 2019/05/08
    retiredlearner

    retiredlearner SuperGeek WindowsBBS Team Member

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    upload_2019-5-9_11-46-12.png

    Which part of the above options did you not choose when doing a Reset?
     
    retiredlearner,
    #8
  10. 2019/05/09
    BobbyScot

    BobbyScot Geek Member Thread Starter

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    Keep my files, on the above reference this was the case. When I require the need to clear everything save, I choose remove everything, and found on this occasion that one or two files remained installed.
     
    BobbyScot,
    #9
  11. 2019/05/09
    retiredlearner

    retiredlearner SuperGeek WindowsBBS Team Member

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    What were the Files that remained?
     
    retiredlearner,
    #10
  12. 2019/05/10
    BobbyScot

    BobbyScot Geek Member Thread Starter

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    Any programs still used before reinstalling Windows 10 1809, still available after completion of the recovery.
     
    BobbyScot,
    #11

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