OLE Error code 0x80040154: Class not found OLE object is being ignored. This error indicates that one of the registry files needed for creating files is not property registered with Windows. If you receive this error when attempting to create files for your PastPerfect Online site: Return to the Main Menu.
1. Re-Register the Windows DLL Files The “class not registered” error usually stems from faulty DLL (.dll) files.
2. Re-Register the Windows Store Apps
3. Reset Default Apps
4. Restart Windows Explorer
5. Repair or Update the Microsoft Visual C++ Programs
6. Repair Corrupt System Files With DISM and SFC
7. Check the Status of Your Hard Drive
8. Perform a System Restore
If the app installation fails with error message Class not registered 0x80040154, in such cases, you may not be able to install apps on your Windows 11/10 computer via Microsoft Store. To resolve this issue, open the Microsoft Store and go to Settings > App updates > Synchronization licenses. Then reboot the system and try to download apps again.
The “actually registered class” error usually occurs due to corrupted DLL (.dll) files. To fix this issue, you need to re-register every dll file on your guitar. Here is a convenient way to re-register your PC files: dll
When trying to find the internet using Cortana, you may see a specific “class not registered” error. To fix this issue, you need to set Edge as your default browser. Follow these instructions: Step 1: Find the control in the search bar bar. Select “Control Panel” from the list of results. Step 2: The Control Panel window will appear.
There is a nice trusty class that is not registered and probably not configured (as abelenky pointed out) because it was not done as an administrator. My advice is to run the install as administrator for much longer (this can be done automatically if the setting can be called install or install, or choose a name that works with words), then try again
Is there a solution for 0x80040154 class not registered?
Searching for other 0x80040154 issues that don’t look like a solution has never been found, short of possibly completely uninstalling and reinstalling Office. It would be nice if almost everyone came up with a more complex solution, even though the vast majority of Googlers seem to do what people want to do! FWIW, I think since OGCS targets “any processor” how 64bit regasm should work, so:
What is error code 0x80040154 in Windows 10?
Error code 0x80040154. Unable to download or install Windows Store, latest updates, bug fixes, guides and fixes work on Samsung, Lenovo, Toshiba, Asus, Acer, HP, Dell, Alienware laptops, PCs and tablets. Works on Samsung, Lenovo, Toshiba, Asus, Acer, Dell, HP, Alienware laptops, PCs and tablets. Loading…
What does the error code 0x80040154 mean?
0x80040154 The error must (specifically) be an unregistered class. This is usually a DCOM setting or a specific library or service that was not started in the first step. I have used OPC A Advanced several times for troubleshooting. The free version has a four hour time limit.
How do I fix error code 0x80040154?
Fix error 0x80040154 in Windows 11/10
- Check your Internet connection while browsing.
- Clear the contents of the DataStore folder.
- Be sure to clear the Microsoft Store cache.
- li>Run the tool DISM.
- Check the license whether to sync the Windows Store or not.
How do I fix error code 3 0x80040154?
Also, if the Chrome update failed and error code 3:0x80040154 still occurs, follow these steps: Check the majority of Internet connections on your computer. Make sure auto-update is not disabled on your PC.
Is there a solution for 0x80040154 class not registered?
Searching for other difficulties for 0x80040154, it looks like a solution has never been found other than perhaps a complete uninstall and reinstall of the workstation. A more sophisticated solution would be nice, even though most Google searches keep people coming back! FWIW, I think since OGCS targets “any processor”, Regasm should run on a 64-bit platform, so:
What is error code 0x80040154 in Windows 10?
Error code 0x80040154. Unable to download or install Windows Store Prep, Updates, Tutorial, Troubleshoot on Samsung, Lenovo, Toshiba, Asus, Acer, HP, Dell, Alienware laptops, PCs, tablets and manufactures. Works on laptops, PCs, tablets and manufacturers Samsung, Lenovo, Toshiba, Asus, Acer, HP, Dell, Alienware. Loading…
What does the error code 0x80040154 mean?
0x80040154 The real error is (specifically) not a declared class. This is usually a DCOM location or a specific library or service that is not starting. I have used OPC A Expert for troubleshooting several times. The free version has a four hour time limit.
How do I fix error code 0x80040154?
Fix error 0x80040154 in Windows 11/10
- Check or change your Internet connection and see.
- Clear your DataStore folder details.
- Reset the Microsoft Store cache.
- Run the DISM tool .
- Check if the Windows Store license is not syncing.
How do I fix error code 3 0x80040154?
Also, if the Chrome update fails and you encounter error code 3:0x80040154, the client should also do the following: Test your computer’s Internet connection. Make sure auto-update is not disabled on your PC.

Ermias is a tech writer with a passion for helping people solve Windows problems. He loves to write and share his knowledge with others in the hope that they can benefit from it. He’s been writing about technology and software since he was in college, and has been an avid Microsoft fan ever since he first used Windows 95.