Why did I get error 0x800402E4?

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

How to fix Windows Update error 0x800402E4?

However, if you’re technically savvy, you can try the steps below:

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)

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.


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.
Come back to the black window after a time and check if the process finished.
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
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
file addi 0x800402f6 0x800402f7 0x800402f8 0x800402f3 0x800402f4 0x800402f5 3CC08000 r632768 800040E4 0x800402f9 0x800402fa 800040E0 0x800402ea 0x800402eb 0x800402ec 0x800402e7 0x800402e8 0x800402e9 0x800402f0 0x800402f1 0x800402f2 0x800402ed 0x800402ee 0x800402ef 800402D4 4182000C 800402E0 800402D0 2C030000 cmpwi r080r3 800402DC 48000008 0x800402e0 800402D8 88030050 800402C4 3C60801B r332741 38C600F4 38000000 r6r6244 800402CC 8063003C r360r3 800402C8 38637AA0 r3r331392 0x800402e6 same name existing create folder with Appendix Error Codes EEDMNEEDMIGRATING 0x80040249 needs EEDMMOVEFILEPERMISSIONDENIED user does EdmResultErrorCodese SolidWorks Help 0x8004020F attempt made permission move EEDMNAMEALREADYEXISTS Dlls handler terminated current EROOMESEVENTHANDLERFAILED synchronous event Words List 0x800402e5 operation EROOMESTALEDIALOG Search EROOMESOAPDISABLED SOAP request could loaded 0x800402E2 server administrator 0x800402E3 processing been disabled