<HTML><FONT FACE=arial,helvetica><FONT SIZE=2 FAMILY="SANSSERIF" FACE="Arial" LANG="0">To prevent multiple instances, I have in the past simply written a file to disk to check against on launch and a simple warning message for the user. This allows user-over-ride in the case of a crash and thus a spurious file; most times it's enough to advise the program is already running and/or bring it to the front. Low tech solution.<BR>
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hth<BR>
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/H<BR>
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Hugh Senior<BR>
The Flexible Learning Company<BR>
Consultant Programming & Software Solutions<BR>
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