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A5V1 won't run reliably in XP

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    A5V1 won't run reliably in XP

    I have a new Dell laptop (2.4GHz P4, 512Mb RAM) running XP Pro. I have a lot of old A5 V1.02 applications which I need to convert to A5V5. For the first few weeks that I used the machine, A5V1 ran OK, but now nearly every time I try to start A5V1, I get the following error message:

    "NTVDM.EXE Application Error

    The instruction at "0x77f581bd" referred to memory at "0x054a00a2". The memory could not be "written".

    Click on OK to terminate the program"

    I have run Dell's diagnostics and Microsoft's memory tester, and no problems were found.

    Does anyone know what might be causing this?

    Thanks,
    Tony

    #2
    RE: A5V1 won't run reliably in XP

    Hi Tony - I seem to remember we had some contact in the early days of Alpha5!
    I have just enlisted here as I've finally got a new computer - Windows XP. I've just installed my A5 files and they seem to work fine except that my new printer drivers are causing crashes. I assume it's time to upgrade my A5.
    Just thought I'd let you know as there are not many of us left with the original version!
    Best wishes
    Linda

    Comment


      #3
      RE: A5V1 won't run reliably in XP

      Hi Linda,

      It's good to hear from you again - it must be about 6 years since we last last made contact. What are you doing these days? I am still making a living designing A5 databases, and trying to upgrade all my old A5V1 stuff which I use for my own admin.

      I had this problem with a new Dell laptop that I bought about 3 months ago. A5V1 worked OK on it at first, but after a few weeks, I started getting error messages on start-up, and it gradually got worse. I also had similar problems with another 16 bit application (NatWest's bankline software). I worked around it by installing Partition Magic and putting my old apps in a Windows 98 partition.

      I had so many other problems with the Dell that I couldn't get on with my work, so I bought a refurbished Toshiba laptop from Morgan Computers a couple of weeks ago. It has worked perfectly so far except for one crash when starting A5V1. I think there may be a conflict between NTVDM.EXE (which is used by 16 bit apps) and some software or driver I am using, as I still get minor problems when using 16-bit software (e.g. the system hanging for a couple of minutes then carrying on OK). I should finish my conversion of all apps to A5V5 soon, so there won't be a problem any more.

      Best wishes,
      Tony

      Comment


        #4
        RE: A5V1 won't run reliably in XP

        Hi Tony
        My A5 database has had a chequered history. It briefly changed hands but is now back with me again. On encountering the print problem with WinXP I clocked into this forum for the first time and was delighted (and amazed) to see so many names from the old Compuserve forum. I'd assumed everyone had moved on to upgrade their A5!
        After reading a few posts, I can see that's because upgrading is a whole new can of worms, so I will leave that as a last resort. I have received a couple of suggestions to help with the printing problem, and will give those a go. Your laptop idea is also useful - I could put my A5 on a Windows 3.1 laptop which would happily link up to the old hp laserjet.
        I am mainly into internet publishing these days. Am not a computer pro, but could never afford to employ professionals and have always enjoyed dabbling!
        I'll let you know how my A5 gets on with winXP.
        Best wishes
        Linda

        Tony Rutherford wrote:
        -------------------------------
        Hi Linda,

        It's good to hear from you again - it must be about 6 years since we last last made contact. What are you doing these days? I am still making a living designing A5 databases, and trying to upgrade all my old A5V1 stuff which I use for my own admin.

        I had this problem with a new Dell laptop that I bought about 3 months ago. A5V1 worked OK on it at first, but after a few weeks, I started getting error messages on start-up, and it gradually got worse. I also had similar problems with another 16 bit application (NatWest's bankline software). I worked around it by installing Partition Magic and putting my old apps in a Windows 98 partition.

        I had so many other problems with the Dell that I couldn't get on with my work, so I bought a refurbished Toshiba laptop from Morgan Computers a couple of weeks ago. It has worked perfectly so far except for one crash when starting A5V1. I think there may be a conflict between NTVDM.EXE (which is used by 16 bit apps) and some sof....

        Comment


          #5
          RE: A5V1 won't run reliably in XP

          Hi Linda,

          I think you would find it worthwhile to upgrade your apps to version 5. I put it off for a long time, thinking it would be a huge job, but it only took a couple of days to convert a fairly complicated app. All the layouts from v1 worked OK in v5,, so I only had to replace the card stacks with a form-based menu system and edit some of my scripts.

          Best wishes,
          Tony

          Comment


            #6
            RE: A5V1 won't run reliably in XP

            I second Tony's advice.

            The main reason is that NT, XP, etc. have an inherent dislike for changes in A5v1 field rules. ie: If you try to change them, A% exits!. So while things may work nicely with existing code, needed changeds may cause severe problems.

            regards,
            Melvin Davidson

            Comment


              #7
              RE: A5V1 won't run reliably in XP

              Tony and Melvin
              Thanks for that advice! I will see how it goes.
              Best wishes
              Linda

              Comment


                #8
                RE: A5V1 won't run reliably in XP

                We did have some problems with changing code using XP and win2000. The systems run fine once the code is modified, but I still keep an old win'95 machine around to do xbasic code changes.

                If possible, copy your code out of the xbasic editor and save it to a text file. Edit it, and when (not if) xbasic decides to blow off all of your code, you will, at least, have it saved elsewhere.


                Good Luck,

                Tom

                Comment

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