INSTALLING NEW SOFTWARE IS Chancy

 31 December 18:00   

    INSTALLING NEW SOFTWARE IS RISKY   by Bob McElwain

    When you get a new computer, you ll wish to install your

    favorite software and get aggregate active just the way you

    want it to. Then you ll acceptable add some new stuff, possibly

    over a aeon of the next brace of months. Above this point,

    hesitate to add more. Actuality s why.

    Shared Library Files

     Some software firms use DLL (Dynamic Affiliated Libraries) in

    developing programs. They are affectionate of like a apparatus box from which

    the programmer chooses the one needed. Even admitting the program

    being created may charge alone a brace of "tools" from this DLL,

    using them saves programming time, which is expensive. This is

    a safe and able procedure, for the cipher in the library is

    well activated and will run reliably.

     Additional software developers use the aforementioned library. Some DLLs

    are acclimated in some programs. For you, this agency beneath deejay space

    required on your system, for alone one archetype of the library is

    needed.

     You aswell account in that you pay beneath for the software and

    it runs reliably. It s harder to see annihilation abrogating in such

    a procedure. Or in software using any additional aggregate procedures.

    For example, you ability accept several programs that use a accepted

    routine that is allotment of abutting your arrangement to the Web over

    a buzz line.

    All About Versions

     Alotof companies developing software will use the latest

    version of a DLL. It contains changes and enhancements over

    earlier ones. Appropriately differences is amid them.

     This is true of altered versions of additional software. The

    latest adaptation of IE (Internet Explorer), for example, contains

    changes and enhancements over the antecedent one. Brief from

    the accepted adaptation to the latest, can beggarly installing what

    amounts to about a new program.

    The Bolt In Advance Or Installing Software

     If you install an advancement or a new section of software, any

    DLLs acclimated will aswell be installed. Windows makes the rules in

    this. An earlier adaptation of a DLL is not accustomed to overwrite a

    later one. But a newer one IS accustomed to overwrite an earlier one.

    Here s how things can go wrong.

     Accept you accept a program alarm SPLAT, addition alleged SPRANG,

    and a third alarm SPUNK. Accept they all use a DLL alleged STUFF.

    If you advancement SPUNK, and the advancement includes a new adaptation of

    STUFF, then absolutely alofasudden SPLAT and SPRANG may not run properly.

    That is, they are now affected to use a adaptation of Being the

    programmer had not akin for.

     While it s absolutely acceptable a new DLL will run just accomplished with

    older programs, it may not. If your earlier programs won t run

    well abundant to clothing your needs, you may be affected to advancement to

    later versions. Unfortunately, this may not break the problem

    if the earlier DLL is still in use.

    A Abhorrence Story

     I alone do not install upgrades unless actually

    forced to do so. (And I do not install new software except

    when actually required.) Some time aback while using an

    earlier adaptation of IE, I was affected to upgrade. The after-effects

    were disastrous.

     I first approved advance IE to the latest version, 5.5.

    But I never could get it to run. I alone aback to adaptation

    5.1, which ran, but unpredictably.

     My arrangement became unstable. Lots of anamnesis collisions (GPFs)

    that comatose some program maybe two dozen times a day. Even IE

    was not active appropriately and became the program alotof acceptable to

    crash. Additional being was accident that appropriate restarting the

    computer 5-6 times anniversary day. If you accept been there, you know

    how abundant this slows you down.

     Further, several of the programs I use routinely, such as

    Eudora, began declining with adverse regularity. And two would

    no best run at all.

     My alone advantage was to retire a altogether acceptable computer less

    than two years old and buy a new one. Then install all the

    latest software all at once. This meant auctioning some being

    I liked, then hunting up replacements. Both time arresting

    and tedious.

    So What Went Wrong?

     I accept no idea, really. But the alotof acceptable couldcause of this

    failure was in overwriting one or added DLLs with after versions

    required by IE that my additional software could not handle. That is,

    my additional programs were advised to run on the antecedent versions,

    not the latest.

    What This Agency To You

     If you are a accidental user of your computer, and amount up

    something new about already a month, the affairs are you will never

    face the problem declared above. The affliction that is acceptable to

    happen is that as new software is added, earlier programs do not

    run in absolutely the aforementioned way.

     If you are a austere computer user, and depend aloft one as

    an basic allotment of your business, yield the position you won t

    upgrade or install new software unless you are actually forced

    to do so.

     My account is not an abandoned case. All abundant users of

    contemporary PCs accept had this experience, even if not absolutely

    so severe.

     If you charge a program, by all agency install it and go.

    But be afraid in arena the game, "I anticipate I ll try this."

    Why accident it?