Map Magic problems in Windows XP

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Map Magic is an add on to ArcView GIS 3.x and Intersection Magic 6.x. All Arcview GIS 3.x versions have a problem with Windows XP that affects operation with Map Magic. We’ve experienced “Segment Violation” messages; we’ve heard of “Can not convert string to number” error messages.


ArcView GIS v3.x requires a patch to function properly in Windows XP.

The malfunction is related to use of DDE for inter-program communication.


ESRI has made a patch available that must be installed on ArcView 3.x installations under Windows XP.

When this article was written, the patch could be found at:

If the above link does not work, go to the esri / support / downloads pages and look for patches to ArcView 3.x – there is one called Windows XP Patch.

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