have not yet risked re installing OE, many of these e-mails contain reg details etc. I do have most of them elsewhere but it is a weird problem. If I move any HTML message from this one folder to say my 'Inbox' I still get the same fault, even if I allow the message to display in the preview pane which I normally have disabled.
Strange thing is, I have received an HTML based e-mail this morning that downloaded fine and displays perfectly, if I move it into the same folder as all the other e-mails it still opens OK.
I would really like to recover these messages if at all possible before attempting a re install of OE.
I have tried the export messages function, the only option I get is to export to MS Outlook, or Exchange. When I do this I cannot then find them in Outlook.

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I have just gone through all the messages in the folder, 11 HTML based e-mails will not display, of the other 15, 4 are HTML messages that display perfectly, the others are text based messages.