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How to Fix 0x80040154 Error Code

What is 0x80040154 Error Code?

0x80040154 is a typical ‘class not registered’ error message. It occurs when PC users try to register and Run a 32-bit DLL (dynamic link library) Windows programs on a 64-bit version of Windows.

Solution

Restoro box imageError Causes

  • The 0x80040154 error causes include:
  • Incompatible software
  • Invalid entry command path
  • Damaged and corrupt DLL files
  • COM components not properly registered
  • Active X control and class issues

To avoid the inconvenience of running programs on your Windows PC, it is advisable to resolve the 0x80040154 error.

Further Information and Manual Repair

Here are some of the best methods that you can try to resolve the 0x80040154 error code on your PC:

# 1. Use Regsvr32.exe to Re-register the Failing COM Component

This is one way to resolve the 0x80040154 error code. Regsvr32.exe is a program that you can use to register DLLs (Dynamic Link Libraries) and ActiveX controls in the registry.

To use this file to re-register the failing COM components, simply open an elevated command prompt. If the 32-bit DLL is in the %systemroot%System32 folder, then move it to the %systemroot%SysWoW64 folder.

After that run the following command: %systemroot%SysWoW64regsvr32 <full path of the DLL>. This will help resolve the issue.

# 2. Install and Run Restoro PC Fixer.

Another alternative is to download Restoro. This is a new, advanced, and innovative PC repair tool deployed with multiple utilities like Active X control and class fixer, system optimizer, an antivirus, and a registry cleaner.

It has a user-friendly interface with simple navigation. This makes it quite easy to use for all levels of users. It is safe, fast, and compatible on all Windows versions.

The Active X control and class utility scans your entire PC, detects and resolves all errors like 0x80040154 triggering ActiveX and class ID issues in seconds.

Besides this, Restoro also offers other benefits. By running this software on your system you can also ensure good PC health and performance as it also removes anti-viruses, repairs registry issues, fixes damaged DLL files, and also boosts the speed of your PC.

DLL files often can get damaged and corrupt due to data overload. This is associated with the registry. If you don’t clean the registry frequently, it overloads with data and damages the DLL files.

However, with the help of the registry cleaner utility embedded inside this software, you can repair these files easily. The registry cleaner wipes out all the unnecessary files from your system occupying your disk space and simultaneously fixes the damaged DLL files and restores the registry.

However, if the DLL files are damaged due to a malware attack, the antivirus module takes care of them. It removes all the malicious software like adware, spyware, viruses, and Trojans and restores your files.

Click here to download Restoro on your PC and resolve the error 0x80040154 on your PC now!

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If you suddenly encounter the SPECIAL POOL DETECTED MEMORY CORRUPTION Blue Screen error with a bug check value of “0x000000C1” while you are using your computer then it might be due to some problem with the hardware of your Windows 10 computer. According to security experts, it is most likely caused by the physical RAM which could be due to some error in the Realtek driver for Wireless USB 2.0 as well as corruption of the files inside the RAM, and so on. This kind of problem indicates that the driver wrote to an invalid section of the special pool. On the other hand, system files like the rtwlanu.sys or nvlddmkm.sys can also trigger the SPECIAL_POOL_DETECTED_MEMORY_CORRUPTION Blue Screen error. To resolve this Blue Screen error, you can use the options provided below as reference but before you do that, make sure to create a System Restore point first. After you have that covered, proceed to the given options below.

Option 1 – Delete the settings of the Driver Verifier Manager

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  • After that, select or click on the “Delete existing settings” option and then click on Finish.
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Option 2 – Try to update or rollback your Network driver

If you have updated the driver software as of late and you suddenly got this BSOD error, you might have to roll back the device driver – in other words, switch back to the previous working version. To do that, follow these steps:
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  • Restart your PC and see if it helped in fixing the BSOD error.
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  • Realtek Card Reader Driver
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On the other hand, if updating the Network driver didn’t help, you can also try to roll back to its previous version.
  • Open the Device Manager again and then look for Network Drivers.
  • Next, select Realtek <Model> Wireless LAN 802.11n PCI-E NIC from the list of Network Drivers and then double click to open a new mini window.
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Option 3 – Try running the ChkDsk utility

You can also run the ChkDsk utility to fix the SPECIAL_POOL_DETECTED_MEMORY_CORRUPTION Blue Screen error.
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  • Next, click on Properties and navigate to the Tools tab.
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Option 4 – Use the Windows Memory Diagnostics

Since the problem has something to do with the physical RAM, you need to use Windows Memory Diagnostics. To run it, refer to these steps:
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Note: After you select the option, your PC will restart and check for memory-based issues. If it finds any issues, it will automatically fix them.

Option 5 – Run the Blue Screen Troubleshooter

The Blue Screen troubleshooter is a built-in tool in Windows 10 that helps users in fixing BSOD errors like SPECIAL_POOL_DETECTED_MEMORY_CORRUPTION. It can be found in the Settings Troubleshooters page. To use it, refer to these steps:
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  • Then go to Update & Security > Troubleshoot.
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What is Steam proton?

Proton is a WINE fork with some extra capabilities, to play games and run applications not native and not made to run natively under Linux OS. It is supposed to bridge the Gaming issues for PC users and let them more freedom in choosing an operating system to game on.

Find out if your game supports Proton

Although there are a lot of titles that nowadays run natively on Linux some will still need proton in order to run at all and sadly some of them will not be able to run on Linux even via proton but seeing how Valve is busy and it is trying to push its ideas and technology slowly this gap is closing. In order to see how the game you want to play performs and behaves on Linux and proton environment visit https://www.protondb.com/ and find out. As soon as the site loads you will be greeted with statistics and a search option to find out the status of the desired game with one of the given statuses: Borked, Bronze, Silver, Gold, Platinum, and Native. As you probably guessed native means that the game will work on Linux out of the box and borked will probably not work at all. Platinum and gold status means that game will run on proton without any input or tweaks from the user while silver and bronze means that it will work but might need some tweaks in order to make it work.

How to get Steam proton?

In order to run games under proton inside Linux, you will need firstly a Steam client which luckily works naturally on Linux. Unlocking/activating Steam Proton on your Linux-based system is easy. Just head over to Steam > Settings > Steam Play and toggle the option “Enable Steam Play for Supported Titles”. Valve has tested and fixed some Steam titles and you will now be able to play those titles. However, if you wish to go even further beyond, and play titles that even Valve has not tested, toggle the option “Enable Steam Play for all titles”.

Conclusion

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How to Share Your Game Library

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Sharing Games on another Steam account

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What is Chkdsk Error?

Chkdsk (Check Disk) is a built-in Microsoft Windows O/S utility tool.

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Solution

Restoro box imageError Causes

Chkdsk errors are triggered by multiple reasons:

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Chkdsk errors may cause PC to freeze and lag and also result in data loss as we discussed above.

Further Information and Manual Repair

To avoid serious damages that the Chkdsk error code can cause to your system, it is advisable to fix it. You can either hire a professional or install Restoro. The latter is not just the best way but also a time and money-saving option. It is fast, user-friendly and you can download it for free thus saving hundreds of dollars that you would be paying for professional services.

Why Use Restoro?

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It has an automated and intuitive interface smoothly integrated with the latest technology that enables this software to scan your entire PC and detect errors in seconds.

With the help of its super functional registry cleaner, Restoro detects errors registry issues triggering Chkdsk errors on your system. It cleans all the unnecessary files like junk files, bad and invalid registry entries, and internet files that are stored in your hard disk and taking a lot of space. It removes the clutter and frees up your disk space and repairs the damaged registry.

It boosts the speed of your system and ensures that programs run smoothly on your PC and there are no hang-ups or system freezes.

The privacy error detector functions as a powerful anti-virus. With the help of this feature, Restoro identifies and scans for viruses and malware infecting your system. These are removed right away.

Restoro is 100% safe and efficient. It has a backup feature that enables users to create backup copies. This is carried for safety purposes. In case you lose your data during the repair of the Chkdsk error, you can always recover and restore the lost files without any hassle.

With some registry cleaners and repair tools you may often have to struggle with compatibility issues but not with this PC Fixer.

Restoro is compatible with all Windows versions. It is simple and very easy to use. From beginners, intermediate to experienced, all levels of users can use it with ease.

Here are the steps to get started:

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  3. Scanning will take a few seconds
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  5. After that, all you need to do is press the repair button to resolve the error(s) promptly.
  6. Once the error is resolved, try running the Chkdsk utility again.
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error 0x800f0905Therefore we are presenting a couple of solutions that will fix your issue, it is advisable to follow them as presented since they will go from the most common to the more complex one.

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Reset Windows update components

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  2. Type in Terminal
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  4. Click on Yes on the User account control (UAC) pop up
  5. Press CTRL + SHIFT + 2 to open Command prompt
  6. Inside command prompt type each line of a command followed by ENTER after each line:
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    net stop wuauserv
    Del “%ALLUSERSPROFILE%Application DataMicrosoftNetworkDownloaderqmgr*.dat”
    Ren %Systemroot%\SoftwareDistribution\DataStore DataStore.bak
    Ren %Systemroot%\SoftwareDistribution\Download Download.bak
    Ren %Systemroot%\System32\catroot2 catroot2.bak
    exe sdset bits D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU)
    sc.exe sdset wuauserv D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU)
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    regsvr32.exe mshtml.dll
    regsvr32.exe shdocvw.dll
    regsvr32.exe browseui.dll
    regsvr32.exe jscript.dll
    regsvr32.exe vbscript.dll
    regsvr32.exe scrrun.dll
    regsvr32.exe msxml.dll
    regsvr32.exe msxml3.dll
    regsvr32.exe msxml6.dll
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    regsvr32.exe softpub.dll
    regsvr32.exe wintrust.dll
    regsvr32.exe dssenh.dll
    regsvr32.exe rsaenh.dll
    regsvr32.exe gpkcsp.dll
    regsvr32.exe sccbase.dll
    regsvr32.exe slbcsp.dll
    regsvr32.exe cryptdlg.dll
    regsvr32.exe oleaut32.dll
    regsvr32.exe ole32.dll
    regsvr32.exe shell32.dll
    regsvr32.exe initpki.dll
    regsvr32.exe wuapi.dll
    regsvr32.exe wuaueng.dll
    regsvr32.exe wuaueng1.dll
    regsvr32.exe wucltui.dll
    regsvr32.exe wups.dll
    regsvr32.exe wups2.dll
    regsvr32.exe wuweb.dll
    regsvr32.exe qmgr.dll
    regsvr32.exe qmgrprxy.dll
    regsvr32.exe wucltux.dll
    regsvr32.exe muweb.dll
    regsvr32.exe wuwebv.dll
    netsh winsock reset
    net start bits
    net start wuauserv

Well, that was a lot of typing or copy and pasting line by line followed by ENTER after each one but hopefully, your issue is solved. These provided solutions fixed most users' issues with this error but if for some reason this is not the case for you, move to the next step.

Run the SFC scan

If you are still having 0x800f0905 error after previous attempts do the following:

  1. Press ⊞ WINDOWS + S to open search
  2. Type in Terminal
  3. Select Run as administrator
  4. Click on Yes on the User account control (UAC) pop up
  5. Press CTRL + SHIFT + 2 to open Command prompt
  6. Type in sfc /scannow and press ENTER
  7. Wait for the scan to finish
  8. Reboot the computer

Perform a system restore

If for any reason previous solutions have not provided you with the solution we will try to fix the issue by performing system restore.

  1. Press ⊞ WINDOWS + S to open search
  2. In the text box type in Create a restore point
  3. Click on the closest match in search results, should be Create a restore point
  4. Click on System Restore or on Next if there are no points created
  5. Choose to restore a point from the list and click on next
  6. Review settings and click on Finish
  7. Wait for the process to finish and for the computer to restart

Manually install update

If for any reason Windows still cannot install the update, try installing it manually.

  1. Go to Windows 11 update history and find the Knowledge base (KB) number for the latest version
  2. Go to the official Microsoft Update Catalog
  3. Paste the KB number in the search box and press ENTER
  4. Click on DOWNLOAD
  5. Double click on the downloaded file to launch the installer
  6. Follow on-screen instructions and install the update

Perform Windows 11 reset

If nothing worked, reset your Windows 11 to its factory settings to fully repair and reset the whole operating system.

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How to Fix Unknown Hard Error in Windows 10
The “Unknown Hard” error that keeps on appearing in Windows 10 can put users in an unpleasant situation. This kind of error leads to the freezing of the taskbar, blackening of the screen, and sudden disappearance of the icons on the Desktop. And each time you try to open Windows, the system will only give you an error message saying that it’s a critical error and some applications like Start and Cortana won’t work. Upon analysis, it seems that the “sihost.exe” is not responding and that it is the one that’s causing the c000021a Unknown Hard error to pop up. Sihost.exe files represent the Shell Infrastructure Host which is an essential component in the Windows operating system. The Windows Shell Infrastructure Host is primarily responsible for handling some graphical elements of the operating system interface such as the Start menu and the taskbar transparency. And so if the Shell Infrastructure or Sihost.exe has stopped, has been removed, or corrupted, you will most likely have issues with the overall functionality of the Windows operating system and you’ll get the Unknown Hard error In addition, the ctfmom.exe Unknown Hard error may also occur due to incompatible drivers installed on your PC. Ctfmom is a process that identifies inputs such as handwriting, languages, and many more. It’s the one that controls the functions of background behavior. To resolve this issue, you need to first try to identify which application is the one that’s running the sihost.exe file. And if needed, you need to either update or reinstall or completely uninstall the problematic application.

Option 1 – Try to run the System File Checker

The SFC Scan or System File Checker, us a built-in utility in Microsoft Windows that can be found in the C:\Windows\System32 folder. This tool allows users to scan and restore any corrupted system files in Windows that might be causing the Unknown Hard error to appear. Before you use this tool, make sure to find out whether the sihost.exe on your computer is a Trojan that you have to remove or if it’s a file that belongs to a trusted Windows application. Once you have that sorted out, follow the steps below.
  • Tap Win + R to launch Run.
  • Type in cmd in the field and tap Enter.
  • After opening Command Prompt, type in sfc /scannow
The command will start a system scan which will take a few whiles before it finishes. Once it’s done, you could get the following results:
  1. Windows Resource Protection did not find any integrity violations.
  2. Windows Resource Protection found corrupt files and successfully repaired them.
  3. Windows Resource Protection found corrupt files but was unable to fix some of them.

Option 2 – Try to use System Restore

You can also try using System Restore. This is one of the ways you can use it to back up your PC. Since restore points are created automatically each week by System Restore, you can use System Restore to restore your computer back to an earlier good point in time.

Option 3 – Try to troubleshoot the error in a Clean Boot State

Putting your PC in a Clean Boot state can help you diagnose and troubleshoot the issues in your system. During this state, you can start the system with a minimum number of drivers and startup programs that will surely help you in isolating the root cause of the Unknown Hard Error.
  • Log onto your PC as an administrator.
  • Type in MSConfig in the Start Search to open the System Configuration utility.
  • From there, go to the General tab and click “Selective startup”.
  • Clear the “Load Startup items” checkbox and make sure that the “Load System Services” and “Use Original boot configuration” options are checked.
  • Next, click the Services tab and select the “Hide All Microsoft Services” checkbox.
  • Click Disable all.
  • Click on Apply/OK and restart your PC. (This will put your PC into a Clean Boot State. And configure Windows to use the usual startup, just simply undo the changes.)
After putting your PC in a Clean Boot State, try creating a system restore point and see if the problem still occurs. Clean Boot troubleshooting is designed to help you isolate the problem. For you to execute a clean boot troubleshooting, you must do a couple of actions (the steps are given above) and then restart your PC after every action. You might have to disable one third-party app after the other to really isolate the issue. And once you’ve narrowed down the problem, you can either disable the third-party app that’s causing the problem or remove it. Note that you must switch your PC back into the Normal Startup mode after you’re done troubleshooting the problem. Here’s how you can do it:
  • From the “Start” menu, go to System Configuration.
  • After that, switch to the General tab and click the option for “Normal Startup”.
  • Next, go to the Services tab and clear the checkbox for “Hide all Microsoft services”.
  • Then find and click “Enable all” and if prompted, you have to confirm.
  • Afterward, go to the Task Manager and enable all the Startup programs and confirm the action.
  • Restart your PC when prompted.
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Disable non MS store apps in Windows 11
Disable non MS store apps in Windows 11 post pictureYou can prevent starting of app installations files if they have not come from the MS store inside Windows 11. This can make your PC more secure because all apps in the store will have to be digitally signed and overall it can provide you with more control over what will be installed. Follow the guide below to find out how can you easily turn this feature ON.
  1. Press ⊞ WINDOWS + I to open Windows settings
  2. Select Apps and then choose Apps & Features
  3. Click on Choose where to get apps to bring a drop-down menu
  4. Select The Microsoft Store only (Recommended)
  5. Close settings
Settings will apply changes immediately and you continue using Windows right away. With these settings turned ON if you want to install a downloaded application or run the installer you will not be able to, and message The app you’re trying to install isn’t a Microsoft-verified app will show on your screen. You can always reverse this setting by choosing Anywhere in settings instead of Microsoft store only.
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