Microsoft Outlook is used by millions of people to transmit information and communicate world wide. So it is quite perplexing that a Error Code 0X80040154 seems to be popping up quite often in Microsoft Outlook 2003, 2007 & 2013 versions and Microsoft has not done a lot to fix the bug. Users reported not being able to send or receive emails after Error Code 0X80040154 appears on the screen. This is especially annoying if you are in the middle of an important task.

Most of your Outlook information like archived emails, contacts, tasks and calendar appointments are stored in Personal Storage Table or PST for short. Error Code 0X80040154 appearing on your screen indicates that the PST file is corrupt. In this post we will provide you multiple solutions so you can Fix Error Code 0X80040154 in Outlook 2003, 2007 and 2013 yourself.

What is Error Code 0x80040154 In Outlook ?

Error Code 0x80040154 generally appears because a Dynamic Link Library(dll) file is not able to register itself in the windows registry where all your dll files are stored. It is categorized as a ‘class not registered’ message.

Possible causes for Error Code 0x80040154 appearing in Outlook 2003,2007 and 2013

There can be multiple reasons for Error Code 0X80040154  popping up on your screen. However, some of the most common reasons are listed below:-

  • Virus or malicious programs
  • Corrupt system files
  • Incorrect Outlook Configuration
  • Damaged or corrupt PST files
  • Incomplete Outlook Information
  • Faulty Internet Connection

Now we will discuss the possible solutions for Fix Error Code 0X80040154 in Outlook 2003, 2007, 2013 and 2016.

Solution 1: Reinstalling Outlook

Click on start. In the search box type control panel. After opening the control panel, click on the programs icon. Look for the Outlook application, right-click on it and then uninstall the Outlook application. Restart your computer, download the latest version of Outlook. After doing this, you should have fixed Error Code 0X80040154.

Solution 2: Adding Unregistered Files

  • Click on start
  • Open Run dialog box
  • Type regsvr32 “innercom.dll” and press enter
possible solutions for Fix Error Code 0X80040154 in Outlook - Type regsvr32 ”innercom.dll”
  • Restart your computer
possible solutions for Fix Error Code 0X80040154 in Outlook - Restart your computer
  • If you are not getting the Error Code 0X80040154 on using Outlook then you have just fixed the issue with the unregistered files.

Solution 3: Check your Antivirus Software

A virus infection might be the cause of Error Code 0X80040154. You will have to check whether your antivirus is online and working or not. As new and advanced malicious software are released every day, you should update your antivirus quite often. Running an updated and quality anti-virus software is surely going to help you.

Solution 4: Check Internet Settings

  • Click on start
  • Click on Control Panel
  • In the control panel, look for network & sharing icon, open it.
possible solutions for Fix Error Code 0X80040154 in Outlook - Click on Control Panel & look for network & sharing icon
  • Check if your are connected to the internet or not
  • Restarting your router and modem might also help

Solution 5: Delete trash folder from Outlook

Open Outlook, delete mails from the trash folder, empty your inbox and even empty your sent folder. Deleting all non important and unknown mails. This will help in cleaning all the harmful files. Now restart your computer. Now outlook should work properly. Remember to take backup of important emails.

Summing Up

So now that we have discussed possible solutions to remove Error Code 0X80040154 from Outlook, please make sure that there are no malicious softwares on your computer. You should also not open emails from unknown or suspicious sources. Happy mailing!