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Thread: Registry backup

  1. #1
    New Lounger
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    Registry backup

    I'm told that I should backup the registry before manually uninstalling a program -
    How do you do that?
    I've been scared off of EVER touching the registry, so I want to be sure I
    don't do something stupid. Thanks

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    Re: Registry backup

    <post#=201506>post 201506</post#> by R2 (Rick) should provide the information. It also has a link to a more complete explanation.
    Cheers,

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    Re: Registry backup

    Just to add some thoughts:

    1) Windows 98 automatically holds five backup copies for you at all times.
    2) A backup is made for each new date that you reboot your computer. Therefore, if you reboot your computer five times today, only ONE backup from today will be saved -- the other four will be from different days.
    3) You can force windows to save a new copy for today by opening a Run box (Start | Run) and typing "scanregw" (no quotes) and hitting Enter. If Windows has already saved a copy for today, it will tell you this and ask you if you want to overwrite today's previously saved copy.
    4) There are multiple other ways to backup your registry -- including third party programs. But two ways that you can use without getting anything new are these:

    a) Open a Run box again and type "regedit" (no quotes) and hit Enter. This opens your registry. Click Registry and select Export Registry file. Make sure the Export range is set at "All". Export the file to a new folder called "Registy Backup" (or something easy to identify). Title the file with today's date (013103.reg or 31Jan2003.reg) ) and hit save. Now you have a complete backup as of today.

    [img]/forums/images/smilies/cool.gif[/img] While you are at it, open a Find box and find user.dat and system.dat. Copy both of these into the same "Registry Backup" folder. Once they are there, rename them "user.31Jan2003.dat" and "system.31Jan2003.dat" -- or something equally useful.

    You now have compulsively backed up your registry with several levels of redundancy.

  5. #4
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    Re: Registry backup

    > You now have compulsively backed up your registry with several levels of redundancy.

    And next week's lesson will teach you how to restore it...

    StuartR

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    Re: Registry backup

    I assume that comment is facetious, but... <img src=/S/smile.gif border=0 alt=smile width=15 height=15>

    1) The simplest method to restore is to use the scanreg.exe /restore function.
    2) You cannot "restore" (read: Import) an entire registry using regedit -- however, you CAN restore entire sections.
    3) You CAN restore your entire registry using the user.dat and system.dat files -- hence the reason for backing up these separately.
    __________

    One more thing worth mentioning -- It is also nice to have a "picture" of your registry before you do any major installing/uninstalling. Then you can get another "picture" afterwards and compare the two.

    You can do this by simply comparing the entire registry files using something like WinDiff -- but the process and the analysis is, eh, challenging. A better method is to use "RegShot" -- which is a very cool program for several reasons. Combining the use of RegShot with your backed up .reg file, you can go in and surgically return specific sections of you registry back to exactly the way they were before the 'event' that you were monitoring. <img src=/S/smile.gif border=0 alt=smile width=15 height=15>

    PCWorld's description of RegShot
    Attached Images Attached Images

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    Plutonium Lounger
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    Re: Registry backup

    I don't know for sure, but I don't think he was being fecetious. <img src=/S/grin.gif border=0 alt=grin width=15 height=15> But you took the bait! Good job, R2!

  8. #7
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    Re: Registry backup

    Thank you, if I had known you were going to be that quick I could have said "tomorrow's lesson". Nice job.

    StuartR

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    Re: Registry backup

    In case you haven't read it, I'm taking advantage of the timliness of your tutorials to try to help Duchess in <!post=this thread.,220313>this thread.<!/post> I'm hoping she has a backup that usable from BEFORE her problem started.

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    Re: Registry backup

    In case someone actually needs to use Scanreg /restore, I am sure there are multiple references out there. The first one I came to was this one:

    Using ScanReg

    ...which is about Scanreg in general, but it touches on the /restore function. The process is fairly intuitive, so it does not need a ton of explanation.

    If someone want to try to restore using the user.dat and system.dat files, it is a little more complicated. This used to be the only way to do it in Win95! It is done in DOS, so it is nice to have a basic knowledge of DOS commands:

    Restoring the Registry
    BACKING UP / RESTORING THE REGISTRY
    Backup & Restore your Registry

  11. #10
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    Re: Registry backup

    Hi R2:
    Thank you, R2. Good explanation!! I thought I recall you saying somewhere that although you can have more than 5 back ups, you can only restore from the last 5 using Scanreg. I take it that you would use the other method (e.g. the files named with the dates) for restoring anything other than the last 5 backups?

    P.S. I'm wondering why the view of your message is "wide". It probably has something to do with the attachment, but I don't know what you could do so it you could read it without scrolling back & forth.
    Cheers,

  12. #11
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    Re: Registry backup

    Doesn't appear too wide on my system.

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    Re: Registry backup

    I've found that sometimes individual posts appear wider, or at a different vertical resolution, than others on the same page.
    If I leave that page, then come back to it, it is usually back to normal.
    Don't know why, and it doesn't bother me, so I've never questioned it........but now I'm curious???

    Have a Great day!!!
    Ken
    <IMG SRC=http://www.wopr.com/w3tuserpics/KenK_sig.gif>

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    Re: Registry backup

    Sorry, the only thing that I can see that might be controlling the width is the line up top -- which I shortened.

    I am not sure it is worth adding the 'more than five' backup stuff into this post -- I think it is already long enough. In all honesty, it is pretty rare that one needs more than five backups. In most cases, people are just happy to have one!

    FYI: The Microsoft pages with information on this stuff are here:
    Description of the Windows Registry Checker Tool (Scanreg.exe)
    How to Customize Registry Checker Tool Settings
    Command-Line Switches for the Registry Checker Tool

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    Re: Registry backup

    I agree. If your last 5 backups don't work, then you've got problems. <img src=/S/grin.gif border=0 alt=grin width=15 height=15> (And the post now appears correctly on my machine, although I notice Al didn't have a problem with it. <img src=/S/smile.gif border=0 alt=smile width=15 height=15> I'm at a different machine now anyhow. Maybe it was just an oddity.)

  16. #15
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    Re: Registry backup

    It's me again-
    I backed up the registry and followed instructions from McAfee (I was trying to get rid of the remnants of their Virus program)
    Nothing they told me works, and now, going directly into DOS gets me nothing but
    "bad command or something"
    Here's what they told me to enter:
    Go to Dos
    type cd
    CD C:WINDOWSSYSTEM
    MsiExec.exe/X{E4DC62CE-5F95-11D6-B254-00C04FF4B435}
    exit
    If the operation is successful, you will have to restart your computer...................
    I have never made it that far in about 7 or 8 tries so far.
    Any ideas (other than write to McAfee again? - I've already done that, and am waiting........)

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