Incredible Ways To Fix Outlook Error 0x80040115

Outlook is one of the best email service providers. You can send and receive emails without any interruption. Nowadays, users often complain about Outlook error 0x80040115. This error code creates a problem while sending or receiving emails. You can notice a pop-up notification saying “An unknown error has occurred. Error code 0x80040115.” There are multiple reasons responsible for this particular error. When this error occurs, it indicates that the email that you were trying to send, cannot be sent. If you are accessing the mail with a poor or bad connection, then you might encounter this glitch. Seldom virus and malware attack can also be the reason for this. Corrupted or missing registry key, sluggish PC executions, and framework fixes are some causes responsible for this glitch. You can also get this error when the email provider alters the SSL or port settings. Another reason might be because the Firewall has denied access to SMTP.

If you know the reasons behind this particular error, it becomes easier for you to solve the glitch as soon as you see the symptoms. By any chance, if you are also encountering the same Outlook error, then solving it is quite necessary. You need to follow this guide and it will surely help you to get rid of this issue as soon as possible.

Possible Ways To Resolve Outlook Sending Error 0x80040115

You can follow the troubleshooting steps given below to solve the Outlook error message. Remember that you need to do exactly the same as mentioned below.

Method 1: Change The SMTP Port

Seldom a damageable SMTP can create Outlook error 0x80040115. You can try to change the SMTP port and see if the error persists. Follow the instructions given below to change the port.

The first thing you need to do is to open the Outlook and click on the Tools.
From the drop-down menu, select “Accounts or Email Accounts.”
Here, you may be prompted to view or change the existing email account.
After that tap on the Next icon and then, select the account.
At the next step, choose the Change option and select “More Settings” by clicking on it.
In Outlook, choose Accounts and then click on Properties.
Go to the Advanced tab and then change the outgoing mail port and save the settings.
Uncheck the option that says “This connection requires a secure connection SSL” and then click on OK.
At the final stage, restart the Outlook and check if the error is resolved.

Method 2: Log In And Log Out For Once More

This solution is considered the primary method to solve the issue quickly. You need to log in and log out from the present account you are using. To do so, the first thing you need to type the Outlook website that is “” in the search browser from your computer. After that, log in with your Outlook ID. In this page, you need to enter the proper username and passcode. If you forget the password then click on the option “Forgot my password” and follow the instructions that are shown on the screen. Else, you can choose “Use another account.” Now, put the credentials and click on “Sign in” icon that is located on the right pane of the page.

Keep one thing in mind if you are using a public computer, then you should sign out before leaving.

Method 3: Clear Cache And Cookies

Remember that it is only applicable for Google Chrome users. If you are browsing through Google Chrome then switch on your device and open Chrome. After that, click on the three dots indicating the More option, that is located in the top right corner of the screen. Now, select the option “More tools” by tapping on it. Then, navigate to the icon “Clear browsing data.” Now, choose the “All time” option to delete all the history. But remember that this action will delete all the browsing history as well. Now, select “Cookies and other site data” and “Cache images and files”. Finally, tap on the option “Clear data.” Now, wait for some time while the process is going on.

Method 4: Disable The Antivirus And Firewall

You can temporarily disable the antivirus and firewall to fix the Outlook error. You can easily disable the antivirus from the tray icon located at the bottom right corner. Click on the tray icon to expand the menu. There you will see multiple icons. Right-click on the antivirus icon. Then, you need to select the “Temporarily disable Antivirus.” After disabling the antivirus check if you get the same Outlook sending error 0x80040115 when trying to send or receive an email.

Method 5: Disable The ”Background Send” Lab

It is one of the most effective methods to solve. Thus, follow the exact steps mentioned below. First of all, you need to go to the Gmail account by login in. After that, at the upper right corner of the screen, a gear icon will pop up. Choose, Settings option from this tab. You can see that a new page will open and you have to choose Labs from the suggested list. After that, choose the “Background send lab” option by tapping on it. At last, you must choose the option “Disable”. Now check if the error gets solved or still persists.

Method 6: Use Different Browser

In case you are still unable to solve the issue with the previous steps, then you can try this one. You must change the browser you are using. Because sometimes browser itself can create the Outlook error 0x80040115.

Method 7: Reinstall The Outlook From Your System

If the above solutions are not helpful for you then, you can reinstall Outlook and see if you still encounter the error or not. Follow the steps to uninstall and then reinstall Outlook. The first thing you need to do is click on the Windows icon that is located on the left side of the screen. Now, navigate to Microsoft Outlook and click on it. After that, right-click on the program and then tap on the “Uninstall” option from the list.

Method 8: Check The Connection

Sometimes a poor connection can be the reason for getting this error. So, you need to be sure that you are connected to a stable connection. Else, if you are connected with wifi then you must check the connection before logging in to your Outlook account.

Hopefully, the described solutions are helpful for you. But in case you find any difficulty then you can easily get in touch with us. Also, don’t forget to give your valuable feedback.

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Nathaniel Villa
Nathaniel Villa
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