Why did I get error 0x800034D0?

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 0x800034D0?

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
Event EventID Time String occured Generated Warning retrieved could 0x80003550 define Replication Service moved File GitHub Dateireplikationsdienst Experts Exchange 0x800034C5 0x800030D8 0x800030DC 0x800034C4 0x800034C8 0x800034CE 0x800034D2 Problme 0x800034CA 0x800034CB 0x800034CD ErrorCode naming infrastructure schema fatclusterreadnext FSMO show win32 neteventh 143451 ERROR 09122005 fichiers dplac rplication Chane dvnement from Generated08122011 120331 EventID0x800034D0 Win2003 win2008 185202 2012 Windows vers migration 2003 Software Temps 03232017 lvnement FORUM 23032017 srcasfavr32servicesfsfatfato Sysvolreplikation 21072011 Probleme nach Updates EreignisID Ereigniszeichenfolge shared 122231 Erstellungszeitpunkt 07212011 macht 06012016 01062016 failed 094624 FRSevent 041445 files 2008er preexisting 04152009 14042009 MSABILONG0x800034D0 EVENTFRSNODNSATTRIBUTE EVENTFRSMOVEDPREEXISTING SYSVOL controller MSABILONG0x800034D5 Domain 0x94 textfatclusterreadnext USBmap fatcachereadsector Alexpuxmingww64 nicht starten sich vorhandenen lsst narkive mingww64neteventh master 0x800034FD 07052006 125333