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Troubleshooting Outlook & Outlook Express Error Messages


If you have a problem using Outlook or Outlook Express, you are likely to get an error message. The key information comes at the very end of the error message normally in the form of a code
or understandable message. It is this which tells you the cause of the problem and you can use our guides
to fix it.

In most cases the solution for Outlook Express errors is relatively simple, however, you may need to do
some more complex work on your PC.

Solutions For Common Errors

Error 0x800ccc91 (POP3 username invalid)
Error 0x800ccc92 (POP3 password invalid)
Error 0x800ccc7d (Server does not support SSL)
Error 0x800420cb Message could not be opened
Error 800ccc0131 MSIMN Errors
Kernel Errors Messages involving kernel32.dll
Wininet Errors Messages involving wininet.dll
MSOE Errors Messages involving msoe.dll
Riched Errors Messages involving riched32
Errors 0x800ccc0d &
0x800ccc0e 		(Can't find Host - cannot Locate Server and Failed to Connect - Cannot Connect to Server)
Error 0x800ccc0f (Connection dropped (DUN connection disconnected)
Error 0x800ccc79 (SMTP rejected recipients (sending email to invalid email address)
Error 0x800ccc90 (POP3 response error - Client Response invalid)
Messages lost if you are running Windows XP
Can't start Outlook Express
0x8004210A Error 0x8004210A operation timed out




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