How to fix Outlook error 0x80042108 in Windows 10

Matthew Adams By: Matthew Adams
5 minute read
fix Outlook error 0x80042108

Home » How to fix Outlook error 0x80042108 in Windows 10

The Outlook error 0x80042108 is one that occurs when checking or sending emails in MS Outlook. When Outlook users try to open emails, the software occasionally returns an error message stating, “Reported error (0x80042108): Outlook is unable to connect to your incoming (POP3) email server.” Consequently, they can’t send or receive SMTP emails.

The error message highlights that the (POP3) mail server isn’t working correctly. Error 0x80042108 can be due to corrupted PST files, third-party anti-virus or firewall software, Outlook’s configuration settings or incomplete installation of MS Office. Here are a few potential fixes for the 0x80042108 error in Outlook.

How to fix error 0x80042108 in no time

Check Internet Connection

First, check your internet connection is working. Of course, you can’t send or receive emails when the net connection is down. If your internet connection is down, try resetting the router. Alternatively, the Internet Connections troubleshooter in Windows might also help fix the web connection. You can open that by entering ‘troubleshoot’ in Cortana’s search box, clicking Troubleshoot and then selecting the Internet Connections troubleshooter.

For more information on what to do if your Internet connection is down, follow the troubleshooting steps listed in this article.

Run Outlook in Safe Mode

Outlook has its own Safe Mode that starts the software without add-ins and additional customization files. Open Outlook in Safe Mode when there’s something up with the application. To open Outlook in Safe Mode, press the Win key + R hotkey and enter ‘Outlook /safe’ in Run’s text box. Outlook will open in Safe Mode when you press OK.

If you’re having trouble opening Outlook, this troubleshooting guide will help you fix the problem.

Switch off Your Antivirus Software

Many third-party anti-virus utilities, such as Norton, have integrated email scanners and firewalls that can undermine Outlook’s server connection. Thus, error 0x80042108 could be due to your antivirus software. You can temporarily disable most anti-virus software by right-clicking their system tray icons and selecting a disable context menu setting. Select to temporarily deactivate the antivirus utility before opening Outlook.

Switch off Windows Firewall

  • The Windows Firewall can also interfere with Outlook’s server connection. You can switch the firewall off by pressing the Cortana button and entering ‘firewall’ in the search box.
  • Click Windows Firewall to open the Control Panel tab shown directly below.

 fix Outlook error 0x80042108

  • Click Turn Windows Firewall on or off to open further settings.
  • Select both the Turn off Windows Firewall options and click OK to switch the firewall off.

 fix Outlook error 0x80042108

  • If that fixes error 0x80042108, click Allow an app or feature through on the Windows Firewall tab to open the window shown directly below.

 fix Outlook error 0x80042108

  • Press the Change settings button.
  • Scroll through the list of apps until you get to Outlook. Select both Outlook’s check boxes if they’re not selected, and press OK to apply the new settings.
  • Switch the Windows Firewall back on.

Check the Windows Update Service is on

  • Another thing to check is that Windows Update is on. To check Windows Update’s configuration, enter ‘service’ in the Cortana search box.
  • Select Services to open the window shown below.

 fix Outlook error 0x80042108

  • Scroll down to the Windows Update service. Double-click Windows Update to open the window in the shot directly below.

  • Select Automatic from the Startup type drop-down menu.
  • Press the Apply > OK buttons to close the window.
  • Restart Windows and then open the Outlook application.

Fix the PST File With the Inbox Repair Tool

Error 0x80042108 is often due to a corrupted PST (Personal Storage Table) file. Consequently, Outlook has an Inbox Repair Tool that fixes corrupted PST files. This is how you can fix a PST file with the Inbox Repair Tool.

  • First, close Outlook before opening the Inbox Repair Tool.
  • Next, enter ‘scanpst.exe’ in the Cortana search box; and press the Enter key.
  • The Inbox Repair Tool might start a repair process automatically. If it doesn’t, press the Browse button and select a PST file to scan.
  • Press the Start button to initiate a scan.
  • If a PST file repair is required, a new window opens stating as such. Press the Repair button on that window.

Fix Outlook Error 0x80042108 With Stellar Phoenix Outlook PST Repair

There are also third-party software utilities that fix corrupted PST files. Stellar Phoenix Outlook PST Repair (free download) is one program with which you can repair a PST file and recover its contents. This is not freeware software, but you can try out a trial version. The full package is retailing at £69 on the publisher’s website. This is how you can repair a PST with Stellar Phoenix.

  • First, press the Select Outlook File button on the Select Outlook Data File window. Select an Outlook PST file to scan.
  • You can also select a Find Outlook File option to open a Find PST File search tool. Select a drive to search in by clicking Look in, select Outlook Data File (PST) from the File Type drop-down menu and press the Start button.
  • Then press the Start button on the Select Outlook Data File window to repair the PST file.
  • Thereafter, click Save Recovered File on the Stellar Phoenix window to restore all recovered email files.

Reinstall Outlook

Reinstalling Outlook will give it a fresh configuration. It might also fix issues with the original Outlook installation. Uninstall the application with a third-party utility that will also erase leftover registry entries. You can uninstall Outlook with Advanced Uninstaller PRO as follows.

  • First, press the Download Now button on this website page.
  • Open the Advanced Uninstaller PRO installer to add the software to Windows 10/8/7.
  • Open the Advanced Uninstaller PRO window in the snapshot below.

 fix Outlook error 0x80042108

  • Click General Tools > Uninstall Programs to open the window directly below.

 fix Outlook error 0x80042108

  • Select Outlook from the list of software.
  • Click the After uninstall, scan the disk and registry for program leftovers option on the Confirm Uninstall window.

  • Press the Uninstall button, and click Yes to further confirm.
  • Thereafter, you can reinstall Outlook (or even the full MS Office suite).

Those resolutions will probably fix the 0x80042108 error so that you can open and send emails with Outlook. Deleting temporary files, anti-virus scans and the System Restore tool in Windows might also help resolve the issue. You can also fix Outlook issues with the Microsoft Support and Recovery Assistant software.

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