Why did I get error 0x80042527?

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 0x80042527?

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
number specified VDSEINVALIDEXTENTCOUNT 0x80042528 VDSESOURCEISTARGETPACK least extents invalid target packs source 0x80042529 distinct VDSEVOLUMEDISKCOUNTMAXEXCEEDED vdserrh disks MSVDS Service Error Disk define Virtual Protocol VDSEINVALIDDISKCOUNT MUST Property UPNPESERVICEELEMENTEXPECTED Intellectual Magical Database MagNumDB 0xC004F060 0x80040202 SLESRVINVALIDRIGHTSACCOUNTLICENSE 0xC004B003 SLECIDIIDNOTBOUND 0xC004F07F CINOCATALOG SLEINVALIDPACKAGEVERSION 0xC0041806 HRESULTS Sleuthing Software User 0x004 27092011 9511 SystemUInt32 Kits10Include100162990umvdserrh14140 ProgramFilesx86Windows HRESULT0x80042526L 7678102 2147211993 2147755303 UInt32 HRESULTinfo 0x8004251E 0x8004251D 0x8004251C 0x8004251F 0x80042522 0x80042521 0x80042520 ErrorCode operation valid 14072016 Codes win32 Microsoft MSDN 0x80042523 0x80042532 0x80042531 0x80042530 0x80042533 XACTERECOVERYFAILED 0x8004D107 0x80042534 0x8004252F 0x80042526 0x80042525 0x80042524 0x8004252A 0x8004252E 0x8004252D 0x8004252C