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The error code 0x80240009 simply means that another contradictory operation has been performed. Some operations, such as installation, the installer cannot be ran twice at the same time. This error often occurs in the operating system when updating Windows. If this error is not fixed, your system will be slow or even damaged.
0x80240009 = WU_E_OPERATIONINPROGRESS
Try to check if you have actually run the process twice. If this is the case, try to delete the entire update process and try to download the update package manually.
If this does not solve the problem, try the following solutions.
The Windows Update 0x80240009 error code is often caused by:
- Damage or damage to the Windows registry
- Conflicts between device drivers
- Hardware malfunction
- Infection by virus or spyware
- Damage or corruption of software files
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Good news for you, Error 0x80240009 Windows 10 Error can be fixed in many different ways. In this article, I would like to suggest two effective solutions.
Run System File Check (SFC)
You can try running the System Files Checker utility to repair damaged files.
Open a highlighted prompt.
Type the following command, then press Enter. It may take several minutes for the command operation to end.
DISM.exe /Online /Cleanup-image /Restorehealth
At the command prompt, type the following command, then press ENTER :
sfc /scannow
The sfc /scannow command scans all protected system files and replaces corrupted files with a cached copy located in a folder compressed to %WinDir%\System32\dllcache.
The %WinDir% fill character represents the Windows operating system folder.
Using Regedit
Then, you must clean the download path from Windows Update. These steps are only for experienced users! If you screw up your computer with Regedit, you could lose your files! Be careful or use a professional tool to examine your computer.
Hold down the Windows key and press the “R” key at the same time.
2. a new small window appears.
Enter regedit in this new window and press Enter.
4 In the new windows, you have a navigation on the left side. Use it to navigate to
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate
If you have found it, search for WUServer and WIStatusServer in the right part of the window.
6. if they are not listed, we cannot clean the download path. If not, delete both.
7. Restart your computer.
Disable Windows Defender
Temporarily disable Windows Defender.
– If the above solution does not work, you can temporarily disable “Windows Defender”.
– Type Defender in the search box and open the Windows Defender Desktop application.
– Click Settings and disable the Real-time Protection and Cloud Protection options.
– Close the settings window and the defense window appears in red.
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https://superuser.com/questions/753931/unable-to-update-to-win8-1u1
