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Outlook Express Error Messages

Last updated: September 8, 2022
Estimated reading time: 2 min

Outlook Express Error Messages

Error Code : 0x800CCC00

Try closing and restarting Outlook Express. If you still cannot connect, wait 10 minutes for a server reset of your account and then try again. Try setting up a second identity and see if it works. This could be a possible corruption of your user account in OE.

Error Code : 0x800CCC03

You may be logged in on another machine. Close all connections on all machines and wait 10 minutes to check again. Some mailservers will not recognize an improper disconnection in some instances. Your account may be “Poplocked”. You can either wait for the “poplock” to time out, or have someone shell into the mailserver and kill the mail task running on your account. If you are not logged in or blocked from another device, somebody may use / download from your account, or your account is incorrect. 

Error Code : 0x800CCC0B

Try to retreive email about once every 5 minutes. Alternatively, call your ISP help desk and to make sure that the server hasn’t crashed. You may be logged in on another machine. Close all connections on all machines and wait 10 minutes to check again. Some mailservers will not recognize an improper disconnection in some instances. Your account may be “Poplocked”. You can either wait for the “poplock” to time out, or have someone shell into the mailserver and kill the mail task running on your account. If you are not logged in on another machine or poplocked, then someone may be using/downloading from your account, or something is wrong with your account.

Error Code : 0x800CCC0E 0x800CCC0D 0x800CCC05

Can you access to webpages? If so you may have the wrong mailserver typed in your account or the server may be down. If you cannot access webpages, hangup and try connecting again. Reboot your computer and try again. If it’s still not working? Please contact our support to check on server status. 

Error Code : 0x800CCC10

Check your spelling in the To: field of the email and try it again. You will need to delete the old message from your outbox.

Error Code : 0x800CCC11

Check your spelling and try again. Other possible causes include restricted access to list. Check with your administrator to ensure you have correct access from the terminal you are logged in at.

Error Code : 0x800CCC16

Check spelling of account name and re-enter password.

Error Code : 0x800CCC19

This is a possible corruption of the pop3uidl file. Close your internet connection and all programs. Search for the file pop3uidl and delete it. Reconnect and it should work. Repeat step 1 with a reboot before you check your mail again. You may have a corrupt or a very large file attachment on the mailserver. Large file attachments, mail that are missing headers, or mail that do not conform to the mail RFC’s can cause this. 

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