Outlook 2000 - Corruption Suspected

Hi all,

I have a client running XP Home and Office 2000, using Outlook 2000 SP3 for
2 POP accounts in Corporate/Workgroup mode. Somehow in the last few days
something has gone wrong and although I've uninstalled, repaired, and
tweaked this installation, I've come up with no resolution. Details below -
any assistance/feedback would be appreciated.

Client has 1 POP account configured to leave messages on server, deleting
after 10 days. This system has worked fine up until a few days ago when it
started downloading all 600+ messages again as duplicates. No settings had
been changed. A message appeared that another recently installed program was
affecting Outlook (and any other email-enabled programs) and offered to try
and fix the problem. After the repair a related message said that it was
unable to repair and suggested restarting computer. After restarting,
Outlook continued with error message. (No new programs have been installed
since this problem occurred, by the way)

On Microsoft site a suggested fix was to use the FIXMAPI utility and to
rename several Outlook system files (such as outcmd.dat, extend.dat,
mapi32.dll, mapistub.dll etc) and reboot, then repair installation. I did this and was
still faced with the error message. I tried renaming outlook.pst and
creating a new one in case the culprit was the PST file but the same behavior
happened. I uninstalled Office, deleted the folder C:\Documents and Settings\user\application data\microsoft\outlook, rebooted, reinstalled and the same error occurred, so I
renamed mapi32.dll and copied the file from a subfolder of the Office 2000
CD. This worked to stop the error message and we allowed all 600+ messages
to download (so Outlook would catch up) and then deleted the duplicates.

Email worked fine for a day. Now client is receiving "POP3 name server you
selected could not be found. Check your settings etc." I have checked and
double-checked the settings on his computer (they're fine) and configured
his POP accounts temporarily on my own system, which worked fine. His
Internet connection remains good and Outlook doesn't seem to have a problem
sending.

Since renaming/replacing the mapi32.dll file made some progress, it made me
wonder if there's some other corruption occurring in Windows system files,
which may not be affected by an uninstall/reinstall of Office. There are
some other odd behaviors which have started on the system as well, such as
an inability to use the built-in CD Burning in Windows, even though the
service is enabled. Easy CD Creator 5 works fine, though.

Before I go recommending a clean install (rather than the messy migration
from ME he has now), I want to make sure I've exhausted other possible
causes. Any ideas?

By the way, Norton Antivirus 2002 fully updated, tried both with incoming
email scanning enabled and disabled, system has been thoroughly scanned for
viruses and spyware removed.

Thanks,
MagGyver

MagGyverAsked:
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Mob-bomConnect With a Mentor Commented:
Goodness.  I'd start with a complete uninstall of NAV02 to see if that was causing problems.  Use a working but "safe" email account to test Outlook after the uninstall.
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MagGyverAuthor Commented:
Yes, I'd been wondering too if NAV02 might be a factor. Client is picking up NSW04 today so we can clean off the NAV02 and start fresh. I'm leaning much more in the direction of doing a clean Windows install since this was migrated - not the optimum circumstances. It's quite a mess, isn't it?

Thanks for your reply.
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Mob-bomCommented:
No problem.  You may want to try creating a free account somewhere and sending test emails back and forth to yourself a few times after you uninstall NAV before installing the new one to see if you can pinpoint the cause.  Post back if after the new program you still have the same prob.
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Mob-bomCommented:
Oh, and thanks for the points! :)
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