Why did I get error 0x8004255A?

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 0x8004255A?

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
Error Windows supported operation SCCM removable VDSEDISKREMOVEABLE media 2012 UEFI diese started 0x800700050xA0019 Informationen post Fehlercode upgraded Troubleshooting 2013 using errors Zeit RSSingcom habe Dateien Probleme mehrere einiger meinem Notebook werde Upgrade Home seit were online logs read step anything solutions over looking check bothered before download required time Catalog Channel starts reformat Solution files wait After Fat32 gesperrt Sometimes file descriptive quickly possible smstslog Ardamis Failures 07112015 written fails Source 80004005 which further requires Unspecified cause identify failure logged often Sequence installieren jetzt jedoch Erfolg ohne wollte Arbeiten reibungsloses nicht mglich mehr sind Seite keine Task verfgbarWeitere httpsstackoverflowcomsearchq220x8004255A22 0x8004255A0xA0019 erhalte kann machen noch methods from Code QUOTEMartin31282 Forum FACILITYITF management designated returned userdefined 19797 Configuration partitioning Manager School Hello Schluss runter kommt 7x64 muss nonempty VDSEDISKREMOVEABLENOTEMPTY disk VDSEDRIVELETTERNOTFREE 0x8004255C Codes MSVDS MSDN 0x8004255B Microsoft specified symbol HRESULTinfo means Interface COMOLE letter drive free ErrorCode vdserrh District Virtual HyperV Machine sorts getting decided until like Generation deploy different when 0xA0019 01122016 tonight into driving really Creation 0x80070456 Tool laying problems down Deployment image move wanting UEFIWindows having environment 26022014 Everything goodies been well going also recently take advantage full