Why did I get error 0x80042820?

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 0x80042820?

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
volume BitLocker could extended because Init 0x80042821 VDSEVOLUMEEXTENDFVERECOVERY VDSEVOLUMEEXTENDFVECORRUPT recover operation retry tools locked 0x80000000 0x22000000 0xc0044700 0x00000514 MSVDS 0000000032 0000000432 0000000018 0000000036 0x80042BD4 0000000001 Protocol 0000000024 UInt32 Virtual Disk Service 0xc0013900 0xc0100000 0x00000000 vdserrh 0x800346F4 0000000272 0000000002 0000000136 Header techsupport show 7678102 2147756065 Packet HRESULTS version 12122007 2015 092219 27092011 Event 10272 DataTime Reset 0x80042828 Software Sleuthing 0x001007c1 0x004 User 0x001007c0 0x80042823 0x80042900 0x80042822 0x8004281E 0x8004281F 0x80042904 0x80042905 0x80042903 0x80042901 0x80042902 0x8004281D Microsoft win32 MSDN Error Codes 0x8004281B 0x8004281C 0x8004281A ErrorCode 0x80042819 2147756064 2147211232 Database Magical Number ProgramFilesx86Windows Kits10Include100162990umvdserrh29700 HRESULT0x80042820L SystemUInt32 define MagNumDB 0x80042909 0x8004290A 0x80042908 0x80042906 0x80042907 Intellectual Property 14072016 0x8004290B 0x8004290C