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Subject: Re: win98, this program has performed an illegal operation

Author: Ed Schröder

Date: 10:35:52 11/24/00

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On November 24, 2000 at 13:26:51, José Carlos wrote:

>On November 24, 2000 at 13:01:34, Chessfun wrote:
>
>>On November 24, 2000 at 11:58:13, Jeroen van Dorp wrote:
>>
>>>I'm not much of a Windows expert, but as I understand MFC stands for Microsoft
>>>Foundation Class (ver. 4.2) and dll for dynamic link library.
>>>
>>>For dummies like me I think it's best described by linking a program you run to
>>>the engine of Windows, the kernel (correct me experts if I'm wrong).
>>>
>>>I once read they developed the idea of dll's to save disk space. A dll is loaded
>>>into memory and used by many programs at a same time. When you have 10 or 15
>>>(also resident)programs running, a lot of them could use mfc42.dll.
>>>With lots of disk space now available for low prices that's not that interesting
>>>anymore, but we're stuck with it.
>>>
>>>Sometimes (too often) it goes wrong. You install a new program and it uses the
>>>dll -file, promptly overwriting the old one. Proper installation programs should
>>>ask for permission, but not all do.
>>>In that case the library file is used by another program but is the wrong
>>>version or in the wrong location.
>>>
>>>Basically you could try to stick to one mfc42.dll and please the most recent
>>>version of it (look at the build, right clicking the file, and examining the
>>>version) in your windows/system directory, storing the rest for backup -if
>>>anything goes wrong.
>>>
>>>Most -not all- programs pull it then from the system directory. As there's only
>>>one version of mfc42.dll, chances of page faults and conflicts are minimized.
>>>You could try it with Fritz in any case.
>>>
>>>Good luck with the productivity tool Windows.
>>>
>>>Jeroen ;-)
>>
>>
>>Interesting. As I sometimes have the same problem with Fritz 6 but with
>>none of the other CB engines even in the same Fritz 6 interface. And also
>>only on this computer. Seems I have about 12 of these files on my harddrive
>>attached to all the CB program installs and a few others.
>>
>>Sarah.
>
>  I don't own Fritz 6, but it sounds like Fritz himself is causing the problem.
>If it is mfc42.dll that crahsed, maybe Fritz is passing wrong type arguments to
>any of its functions.
>
>  José C.

When programs suddenly begin to crash for no good reason than just
boot your PC again. If you use your PC intensively Windows gets
messed up after x hours. If a crash is reproducible than things
are different of course.

Ed




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