Why did I get error 0x80042466?

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 0x80042466?

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
VDSEEXTENDFILESYSTEMFAILED define failed system extend file from volume boot machine will MSVDS 0x00042467 VDSSMBRBOOTMIRROREDTOGPT mirrored 0x80042468 vdserrh occurs SESVCEBISEARCHERUNKNOWNEXCEPTION Messagesh 0x80042465 ProgramFilesx86Windows exception SESVCEBISEARCHERUNKNOWNEXCEPTIONSEN unknown Mobile VDSEMAXUSABLEMBR secondary References plex Type1 been bootable message2 Protocol 0x80042464 Error Virtual Disk Service SESVCEMDCRAWLERNOSEARCHENGINE SystemUInt32 20480GB 2147755110 2147212186 512GB 03012018 HRESULT0x80042466L 275GB UInt32 Magical 7678102 Number Kits10Include100162990umvdserrh10190 Intellectual Database MagNumDB Property 9749 9748 Sleuthing Software 9747 MicroStrategy Source 9746 9745 able 9319 Reference SearchEngineException 9318 User HRESULTS 27092011 0x004 online pack object VDSEONLINEPACKEXISTS operation because VDSSEXTENDFILESYSTEMFAILED extended successfully already exists 0x00042465 Interface management FACILITYITF symbol means COMOLE returned methods 14072016 designated userdefined codes MSDN 0x80042502 0x80042504">0x80042503 0x80042504 0x80042469 0x80042500 0x80042501 0x8004250B 0x8004250C 0x8004250D 0x80042505 0x80042507 0x80042509 0x8004245A 0x8004245C 0x8004245D Microsoft win32 ErrorCode 0x80042461 0x80042462 0x80042463 0x8004245E 0x8004245F 0x80042460