How do I resolve the error message “Error Number: 0x800CCC19” when sending a
message in Outlook Express in Microsoft Windows XP?
This is one of those times when Google really is your friend. A search on
just the error number 0x800CCC19 returns lots and lots of relevant items.
And most seem to center on one particular cause.
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At the top of the results list (at least when I looked) was a Microsoft
Knowledgebase article: Error message when
you view a POP3 e-mail account with antivirus software installed: The operation
timed out waiting for a response from the receiving (POP) server
0x8004210a. It’s not a particularly helpful article, stating on that this
error has been seen when some anti-virus packages are used to scan email. It
then points you at the various anti-virus vendors for more information.
The common thread among all the anti-virus related reports is simple: your
anti-virus program is interfering with the upload, or download, of email as it
attempts to perform a virus scan on the messages being transmitted. In the
configuration of your anti-virus program, turn off the “real time” or active
scanning of email being sent or received – if the problem goes away, you now
know the cause.
reports is simple: your anti-virus program is interfering …
If that was the cause the next thing to do is, as the MS article indicated,
check with the manufacturer of that anti-virus program for a possible fix. It
could be as simple as a setting, or it could require an upgrade to a newer
version of the anti-virus scanner. Or they may not have a solution, and you’ll
have to leave the real time scanning of email turned off, or switch to a
different anti-virus solution.
Whether or not to leave real-time virus scanning turned on for your email is
a personal decision. If you, and everyone that uses your computer, is good at
identifying suspicious email, and not opening unknown
attachments, then it’s quite possible you don’t need it. On the other hand, if
you’re not sure it’s a nice feature to leave enabled for that additional
In the Google results on 0x800CCC19 there’s also a report of corruption in
the “pop3uidl.dbx” file. The solution presented is to exit Outlook Express,
delete that file, and then restart OE. I’m always nervous just deleting
potentially important files, so my recommendation is that rather than deleting
it, you rename it. That way if you need it back for any reason, you still have