I suspect that there is a problem with deleting the deleted messages folder on closing.  Try deleting it manually once before closing and see what happens. 

<P>Hi all, I am new to this forum but have been using Pmail for many years. I have started having a problem when I close the program it almost always gives me an error message approx. 3 sec. after I close the program.</P><B><FONT size=1> <P>Pegasus Mail for Windows has encountered a problem and needs to close. We are sorry for the inconvenience</P> <P> Here is the information from the Pmail info it help/about</P> <P>Pegasus Mail for Microsoft Windows Copyright (C) 1992-2006, David Harris, all rights reserved Electronic mail to <A href="mailto:support@pmail.gen.nz" mce_href="mailto:support@pmail.gen.nz">support@pmail.gen.nz</A>.</P> <P>WinPMail version: Version 4.41 (Win32), Jul 16 2006 Language resources: Standard UK English resource set Extension Manager version: 1.13 Operating mode: Standalone User name and ID: Single-user mode, 0 Windows version: 5.1 Windows flag word: 0 WINPMAIL.EXE directory: E:\Pmail\Programs Home mailbox location: E:\PMAIL\MAIL New mailbox location: E:\Pmail\MAIL TMP environment variable: C:\DOCUME~1\Don\LOCALS~1\Temp TEMP environment variable: C:\DOCUME~1\Don\LOCALS~1\Temp LAN-based SMTP support: N, N, N NetWare MHS support: N, N, N Built-in TCP/IP support: Enabled   - WINSOCK version: WinSock 2.0   - WINSOCK path: C:\WINDOWS\system32\WSOCK32.DLL Commandline: -A Active -Z options: 32768 PMR variable: (None) PML variable: (None) MAI variable: (None) NB variable: (None)</P> <P> Windows XP Pro sp2</P> <P>Hope someone can help although it is more of an annoyance than a problem, I just  don't want it to turn into a problem.</P> <P> Thanks </P></B></FONT>