How to fix error 0x80040154 in Windows 10

Who I am
Marie-Ange Demory
@marie-angedemory
Author and references

Error 0x80040154 usually appears in Windows 10 when we try to access the Mail application but it doesn't work. However, the cause of the error could be another and in this circumstance a solution must be applied. If you are wondering how to fix error 0x80040154 in Windows 10, this article is for you.

What is error 0x80040154?

0x80040154 corresponds to a error message Issued by the Windows system when a computer user tries to register and run 32-bit Windows applications (with dll files) from a 64-bit version.



Recently, some Windows 10 users have reported bug reports regarding l’app Mail. When this application does not allow the receiving and sending of emails, error 0x80040154 may occur.

Why does error 0x80040154 occur?

There are several causes for the 0x80040154 error. One of them (the most frequent) is related to trying to run the Windows 10 Mail application, which may have a problem. There may also be incompatible software that is causing the error.

Also, the system may be following an invalid input command path or there are Corrupt and / or corrupt dll files. Error 0x80040154 can occur when some COM elements have not been registered correctly or due to problems with Windows ActiveX. For this reason it is important to know and see which dll files are used by the programs on the PC.

How to fix error 0x80040154 in Windows 10

To resolve error 0x80040154 in Windows 10 you can follow one manual procedure which includes a series of steps which we explain below.

Delete the mail app from Windows PowerShell

First, sign in with your Microsoft email account from your computer. So go to Windows PowerShell. To do this, type "PowerShell" in the system browser and press the right mouse button on the icon that identifies the application. Select the "Run as administrator" option. This process is similar to opening the CMD command window in Windows.



Once inserted PowerShell, type the following command line: get-appxpackage -allusers * communi * | remove-appxpackage and press the "Enter" key to execute it. Therefore, you can remove the "Mail" and "Calendar" applications from the system.

Delete some directories and files

Access the local drive C: and delete all directories and files that contain the word "communi". This will delete data from programs that belong to Windows Prepository, data from applications that have preference packages and program files. Sign out of your Microsoft account and sign back in using a local account.

Reinstall Windows Mail

Go to Windows Store and find "InstallMail" and "Calendar". Install these apps and run them. Make sure you are signed in with your Microsoft account, this time you need to log out of the local account and go back to the original account. Finally, open the Mail app and see if the problem is resolved. Also, you can remove or uninstall the mail application from your PC in Windows if the problem is not solved yet.

Download the "Regsvr32.exe" application

If the Windows Mail program is not the cause of the problem, the problem may be a missing COM component. For this reason, we recommend that you install the "Regsvr32.exe" application which registers the ActiveX controls and dll files. To download this tool, go to the Microsoft website.


Re-register the failed COM component

Once you have downloaded the program Regsvr32.exe, go to the Windows command window. To do this, type cmd in the search box and right-click to choose the "Run as administrator" option. If the 32-bit dll file is in "systemroot% System32", move it to the "systemroot% SysWoW64" directory.


After the above, type the command:% systemroot% SysWoW64regsvr32 . Therefore, you will register again the COM component that doesn't work.


Another alternative for the solution of error 0x80040154

You can use the tool "Total System Care PC Fixer" to detect and repair damaged dll files, clean registry, troubleshoot class ID and controls ActiveX. All of these items are usually the cause of the error 0x80040154 and this application usually fixes them in seconds via a functional interface.


add a comment of How to fix error 0x80040154 in Windows 10
Comment sent successfully! We will review it in the next few hours.