Why did I get error 0x80003800?

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 0x80003800?

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
word registers bIdx define 0x00000800 0x00000200 PADS 0x80003000 0x80003700 codes error assembley inline DWORD writesbBYTE dwVal void 0x0cf8 pcie device tegra 0710 PATCH little 0xDEADBEEF 0x800038c0osDestroyThread endian terminating xdcruntimeErrorraise setup clock 0x80003800osStopThread 0x800035b0sprintf 0x80003630osVirtualToPhysical wiki 06122016 Bomberman execution 0x800036b0osJamMesg en64 CmnErrorsh File 0x80003E00 dirErrorClass 0x8000FF00 AngryRedPlanet Reference dalErrorClass cpmErrorClass dispErrorClass tree Mailing 0x77777777 0x88888888 Lists 0x00100000 OpenBinder 13062012 0x80004000 visual studio Microsoft 0x0cfc Stack link helped Overflow 19012015 MSDN interrupts 0x04 listsinfradeadorg 14062012 VARSOMAM33SDK7Kernelnvidiategra20pcietxt nvidiategra20pcie devicetype master compatible Random SYSBIOS Community demo crashes 30032015 EdataAbort 0x80004a1c tisysbiosfamilyarmexcException line AM3359 Forums 0x8001003b shutdowns MacRumors 0x00dad000 0x13f73478 Sitara 0x000006e0 0x04323e64