Why did I get error 0x8004091A?
Windows Update continous fails to search for Updates or cannot install them. The source of this problem could be various things as
> Windows Registry
> Windows Filesystem
> Internet access
> Windows Update service
> File corruption
> Misconfiguration
> Adware
> Virus and Malware
> Windows Filesystem
> Internet access
> Windows Update service
> File corruption
> Misconfiguration
> Adware
> Virus and Malware
How to fix Windows Update error 0x8004091A?
1. Click Start and start typing on your keyboard for "services.msc"
2. In your search results "services.msc" should show up. Open it with a click.
3. A new windows will open containing all Windows services on your system.
4. Search for "Windows Update"
5. Right-click the "Windows Update" and then click Stop.
We will now clean the Windows Update temporary cache folder:
1. Hold your windows-key pressed and hit "R" key simultanous.
2. A small new windows will appear.
3. Type %windir%\SoftwareDistribution\DataStore in this new window and click OK.
4. This will open Windows Explorer on the correct location.
5. Delete all contents of this folder. (Hint: Use Ctrl + A to select all files and folders)
2. A small new windows will appear.
3. Type %windir%\SoftwareDistribution\DataStore in this new window and click OK.
4. This will open Windows Explorer on the correct location.
5. Delete all contents of this folder. (Hint: Use Ctrl + A to select all files and folders)
Now we will start the Windows Update Service again:
1. Switch back to the windows Services.
2. Locate Windows Update.
3. Right-click on it and choose Start.
2. Locate Windows Update.
3. Right-click on it and choose Start.
If the problem still persists, you can run the System File Checker (SFC) utility. This handy in-built tool will check your filesystem.
1. Click Start and start typing on your keyboard for "cmd".
2. In your search results cmd should show up with an black icon.
3. Right-click it and select Run as administrator.
4. If you are prompted for the admin password, enter the password and click OK.
5. A new completely black windwos will open. You can type commands directly into this window.
6. Type sfc/scannow and press Enter.
7. This process will take a long time. You can minimize this black windows and work on.
2. In your search results cmd should show up with an black icon.
3. Right-click it and select Run as administrator.
4. If you are prompted for the admin password, enter the password and click OK.
5. A new completely black windwos will open. You can type commands directly into this window.
6. Type sfc/scannow and press Enter.
7. This process will take a long time. You can minimize this black windows and work on.
As soon as the SFC process finished, restart your computer. After the restart you search for Updates again.
You are still facing the same issue?
1. Restart your computer.
Next thing is to clean Windows Update download path. These steps are only for expirienced user! If you mess up your computer with Regedit, you could loose your files! Take care or use a professional tool to investiagte your computer.
1. Hold your windows-key pressed and hit "R" key simultanous.
2. A small new windows will appear.
3. Type regedit in this new windows and hit Enter.
4. In the new windows you have a navigation on the left side. Use it to navigate to
6. If they are not listet we cannot clean the download path. Othwerwise delete both.
7. Restart your computer.
2. A small new windows will appear.
3. Type regedit in this new windows and hit 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
5. Once you found it, search for WUServer and WIStatusServer in the right hand pane.6. If they are not listet we cannot clean the download path. Othwerwise delete both.
7. Restart your computer.
Try to search for new Updates again.
You are still facing this issue? I think this is not an usual problem and your computer should be checked by professional.
Try to look for a solution here or search further in the search box below.
Advanced information
The following Windows verisons are affected by this error:
> Windows Vista
> Windows 7
> Windows 8
> Windows 8.1
> Windows 10
> Windows 10 Redstone 2
> Windows 10 Creators Update
> Windows Server 2008 R2
> Windows Server 2012
> Windows Server 2016
> Windows 7
> Windows 8
> Windows 8.1
> Windows 10
> Windows 10 Redstone 2
> Windows 10 Creators Update
> Windows Server 2008 R2
> Windows Server 2012
> Windows Server 2016
Operation event class Error 0x8004091C-Intel">0x8004091B">0x80040919 0x8004091C-Intel">0x8004091B exception Unhandled Intel supported 0x8004091C array access Unexpected failed file found Safe warnings with InfoSource Windows copy 0x8004091E-succeeded">0x8004091D Manager Device succeeded 0x8004091E data Qualifier PROSet Users Provider IscLiveLink 0x80040918 0x80040916 0x80040901 Guide Codes 0x80040917 0x8004090B 0x8004090C 0x8004090D 0x80040910 0x80040911 0x8004090E 0x8004090F Scribd 0x80040905 Computer Programming 0x80040906 0x80040909 0x8004090A 0x80040907 0x80040908 QualifizierungsmerkmalSatz nicht Fehlermeldungen Benutzerhandbuch gefunden fehlgeschlagen Unbehandelte Sicherer ArrayZugriff stopped 0x80040914 0x80040915 0x80040912 0x80040913 20012018 Service been 0x8004081F NCS2 Reference Calligo Version Network 13112014 Help Center Installation Oracle Manual allowed Setting Qualifer values Adapters Owners Dell Family 01062009 Classes following temporary Yumpu rootIntelNCS2 Scripting used Namespace persisted files Reporting Listing Directory Cache temp system 0x80040612