Why did I get error 0x80042534?

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 0x80042534?

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
plex VDSENOEXTENTSFORPLEX size found were extents 0x80042537">0x80042535 invalid 0x80042536 vdserrh nonzero volume VDSEINVALIDPLEXBLOCKSIZE 0x80042537 block 0x80042533 MSVDS type VDSEINVALIDPLEXTYPE Disk UInt32 Virtual Service 0x80042532 VDSEPLEXSIZEINVALID Protocol involved disks VDSENOHEALTHYDISKS Error 0x80042530 0x80042531 0x8004252E 0x8004252F 0x80042538 0x8004253C Software 0x8004253B 0x80042539 0x8004253A 0x8004252D 0x80042527 0x80042528 0x80042526 0x80042524 0x80042525 ErrorCode win32 0x8004252C 0x80042529 0x8004252A Sleuthing Number Database Magical Kits10Include100162990umvdserrh15250 MagNumDB ProgramFilesx86Windows define HRESULT0x80042533L SystemUInt32 2147755315 2147211981 User 0x004 HRESULTS Intellectual 2147211980 27092011 9525 9526 7678102 9524 2147755316 0x8004449c methods 14072016 from userdefined returned same sector zero stripe VDSEINVALIDBLOCKSIZE Neither designated MUST HRESULT Microsoft Codes MSDN symbol management FACILITYITF Interface means COMOLE 0x80042854 mmMD5Final mmMD5Update mmMD5Init 0x800427e0 0x800429f4 0x80044398 mmDecode mmEncode mmMD5Transform 0x80042ae8 0x80042754 Pudncom mmextendHeap Read umonbootloaderrar ramtstusym 0x8004264c 0x8004272c mmGetMemoryLeft mmgetExtHeapBase mmunExtendHeap 0x800426f4