Fix: Media Creation Tool error 0x8007043C – 0x90017 on Windows 10

Do you want to modernize your Windows 10 PC, but fail due to Media Creation Tool error 0x8007043C – 0x90017. Several users have experienced this trouble while upgrading their current OS and seek out solutions to this online. When this bug occurs, it stops different system processes and displays the following error message.

"There was a problem running this tool. We are not sure what happened but we're unable to run this software on your PC".

There are many possible factors that are likely to erupt this issue. Some of them are- Corrupt system files, obsolete Device Drivers, pending available Updates, malicious and junk cache files. SFC command, Disk cleanup utility and undo recent changes are the possible workarounds to fix this issue. Scan full PC, Update Windows and corrupt driver also works as a diagnostic tool.

Sometimes, fault in registry Editor from a recent Microsoft Security Essentials-related software change can also generate this bug while updating your Windows. Any solution mentioned below can fix this trouble, however, follow the chronological order to rule out each vulnerable bugs. Let’s explore the solutions in detail-

  1. Perform a full virus scan
  2. Update Windows
  3. Update Device Driver
  4. Perform SFC command
  5. Perform Disk cleanup
  6. Undo recent changes
  7. Repair Registry essential
  8. Clean installation of Windows 10

Media Creation Tool error 0x8007043C – 0x90017 Solutions

Here, we discuss all possible workarounds to fix Media Creation Tool error 0x8007043C – 0x90017 on Windows 10.

Since this issue is due to corruption in Windows core files, hence we recommend you to create a back up of the whole PC using System Restore point.

1. Perform a full virus scan

Mostly malware attack is responsible to lead this Media Creation Tool error 0x8007043C – 0x90017 on your system. Scan and remove potential viruses from the computer might fix this bug. You can use Windows Defender and follow these easy steps-

Step-1: Firstly, press Win & S hotkey together to launch Cortana.

Step-2: Type Windows Security in text box followed by Enter to let open the app.

Step-3: Again on the visible page, select Shield icon (Virus & threat protection) thereafter Scan options link.

Step-4: Succeeding after, check the Full Scan Radio button followed by Scan now option to begin this process.

Media Creation Tool error 0x8007043C - 0x90017

This will detect all the faulty files which design to hamper the work performance and remove these affected documents.

Once it is finished, Reboot your system and try to install the Update again. Hoping you can do it now without error 0x8007043C – 0x90017.

2. Update Windows

If there are pending available Updates, it can also start this bug while making changes on the system. To avoid these interruptions, it is better to keep your Windows Up-to-date. This task is quite easy, just follow these quick steps-

  • Press Win & I hotkey together to launch the Settings app.
  • On the next screen, select Update & Security category thereafter Windows Update from the left column.
  • Switch to right-hand side and make a click on Check for Updates button.

Windows Update

Once it is finished, sign in to your system and boot your PC again. Hope the problem 0x8007043C – 0x90017 is no longer available. If not, move to next workarounds-

3. Update Device Driver

If you are still facing this Media Creation Tool error 0x8007043C – 0x90017 on your system, it might be due to a fault in Device Driver. It would be best to Update missing or obsolete device driver by following these processes-

  • Press Win & X hotkey together to launch the Power menu.
  • Select Device Manager from the list to see all the services installed on your system.
  • Now expand each driver separately to locate faulty driver, once found right-click on the same.

Note: The Yellow exclamation mark at left shows the driver is missing or corrupted.

  • Subsequently, select Update Driver using the context menu.
  • On the next page, tap Search automatically for Update Driver software option and let update the driver, suitable for your PC.

Media Creation Tool error 0x8007043C - 0x90017

At last, Reboot your system and check if the 0x8007043C – 0x90017 issue has solved or not on your PC.

4. Perform SFC command

Somehow if the system files got corrupted, it may block the system performance. Hence, there is a high chance that it causes Media Creation Tool error 0x8007043C – 0x90017 on your device. System Files Checker utility command can detect these faulty files and repair them if feasible. In order to do this, you have to go through the below steps-

  • Go to Cortana and type Command Prompt in the search box.
  • Here from the pop-up result, right-click on well-matched option and select Run as Administrator option.

If UAC prompt asks your consent, tap Yes to grant the permission.

  • On the elevated command prompt, type sfc/scannow code thereafter hit Enter to begin this process.

command prompt error 0x8007043C - 0x90017

This is a time-consuming process, so keep patience for approximately 10 minutes.

Once this is over, Restart the system and check if you succeed to update Windows 10 without any interruption.

5. Perform Disk cleanup

Unnecessary cache and junk file stored in disk drive can also lead to such issues while Updating Windows 10 OS. To avoid this bug and achieve great performance of the system, you should regularly clean the drives using disk cleanup utility. Here are the steps to follow-

  • Right-click on Windows icon and select Run dialog box.
  • When the popup window appears, type cleanmgr in the text box then hit OK button to go ahead.
  • Again on a new dialog, select the drive (C:) which you must clean using drop-down menu.
  • Hit OK to begin the process, this will remove the junk files and free up more space on chosen Disk.
  • After a few seconds you will get a new pop up, hit Clean up system files button to proceed further.

Media Creation Tool error 0x8007043C - 0x90017

  • Here, select (C:) drive again, there forth hit OK to go ahead.
  • Subsequently, select all the checkboxes on the Disk Cleanup window from the list except the Downloads section.
  • Click OK followed by Delete files to remove the files and create extra space on your disk drive.

6. Undo recent changes

Sometime when users install a new applications on their system, it may resist performing certain changes. To fix the trouble at hand, you should uninstall any program that you have recently installed.  Here is the process-

  • Press Win & S hotkey together to open Search box.
  • Type Control Panel in void area thereafter clicks on the same result from the list.
  • Now, In view by section (top right corner); select category using the drop-down menu.
  • Henceforth, select Uninstall a Program under the Program option.

Uninstall recent installed application

  • Succeeding after, select the application that you have recently installed and tap the Uninstall button.
  • Once you complete the above task, Restart your system and try installing Windows again. If the error still persists, try the next fixes.

7. Repair Registry essential

You can manually repair this Media Creation tool error using Registry Editor and backup your Microsoft Security Essentials-related registry entry. Here is how to do-

  • At first, press Win & R Hotkey to launch Run dialog box.
  • Here, type regedit in the void box followed by Enter key to open Registry Editor.
  • IF the UAC prompt appears up, select Yes to permit the access.
  • When the page comes into view, tap the File menu and select Export from the list.

Now select the folder where you want to save the backup keys like “Microsoft Security Essentials Backup”.

  • Henceforth, hit the Save button to confirm the changes.

Make sure to save the file name as .reg file and check the Selected branch radio button under Export Range (Lower section of the same page).

Media Creation Tool error 0x8007043C - 0x90017

Once this gets over, Restart your system and check if you can install OS without 0x8007043C – 0x90017 issue.

Note: Wrongdoing under Registry might be risky to your system. It can even sometimes corrupt your OS and access to different apps. Therefore, you must be careful while performing any changes manually under the registry.

8. Clean installation of Windows 10

In case all the above workarounds fail to solve this error code 0x8007043C – 0x90017 on your PC, we recommend a fresh install of Windows. You can perform this task using either Bootable Media tool or download the ISO file directly from the official website. Thereafter update the existing operating system to its latest version.