0x8de00005: How to Fix MS Outlook error 0x8de00005

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If now you are experiencing that Windows Live Mail can not connect to the Hotmail, MSN or Outlook servers all of a sudden, and it makes you can not send and receive emails but you receive error code 0x8de00005 in your PC screen, it means you have to fix this error. The experts says that the main problem of this error is related to the two kinds of authentication which are using the same credentials at the same moment. One credential is used for sign in and another one for the mail server.

This error is annoying the users who have configured Windows Live Mail to connect and sync mail via the Secure HTTPS link. But, you do not have to worry because your decision to come to this site and then reading this article is the best decision. Here, we are going to give you solution to fix MS Outlook error 0x8de00005.

  1. The first step that you have to do, you can open Outlook.
  2. After that, you have to go to File and then if you are having Outlook 2010, select Account settings but if you are using Outlook 2007, select Tools and then select Account Settings. But, if you are using Outlook 2013 or 2016 then, you have to choose Exchange Activesync (EAS).
  3. After you have done the second step, then you have to choose the account that is shown to you and it should have type as MAPI. Then, click on Remove. If you have removed the account, now you have to re-add it. To re-add the account, just click on New. Then, type in your name,  ID of your email and password as well to complete the setup.
  4. If you have completed them, now close Outlook and then open it again.

Beside using the method above, there are also the other methods that you can try to fix Outlook Error Code 0x8de00005. You can solve the error by checking for corrupt system files and checking Proxy settings. To check for corrupt system files, you can follow the steps below.

  1. Type Cmd in Start Search box.
  2. Then, Click on CMD.
  3. In command prompt, you can copyC:\>sfc/scannow (simply choose the command and press CTRL + C and then press Ctrl + V in command prompt)
  4. The system will take several time to check. If the system finds any issues in “os” integrity, it will be fixed automatically. You have to note that you need Administrator access to run the above command.


Then, by checking Proxy Settings you can follow the steps below.

  1. Type CMD in Start search box.
  2. Then, click on CMD.
  3. In command prompt, copyC: \>netsh winhttp import proxy source=ie (choose the command and hold Ctrl+C and press Ctrl+V in command prompt. You have to note that you need Administrator access to run the above command. If you are received the message “Direct Access (no proxy server)” just continue to the next step or disable proxy from Network Settings.

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