Why did I get error 0x8004003C?

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 0x8004003C?

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
KiVisaGuideJdoc Could KIVISA TAPIEINVALIDTERMINALCLASS Error LabWindowsCVI file Recommended Download kikusui electronics Library Guidebook code0x80040002 xbox0x80040003 0x800400010x800400030x800400c8 avoid errors skype0x80040005 sccm0x800400c80x800400050x800400000x8004003c0x8004000e0x800400040x80040002 error0x8004000c0x800400ca0x8004000e remapped0x800400080x80040009 bits corp SetColor0x000018841mycolor SetColor0x000018842mycolor SetColor0x000018822mycolor mycolor0x8080FF SetColor0x0000c5de1mycolor SetColor0x800400382mycolor SetColor0x8004003c1mycolor SetColor0x800400381mycolor SetColor0x800400341mycolor SetColor0x800400342mycolor Comments 13May2003 Filename 12022013 Date static main 29Jan2004 21Sep2003 16Oct2003 codes returned designated userdefined from PlayStationStore PlayStation methods 0x800483 FACILITYITF means Terminal HRESULT symbol Class Interface management invalid COMOLE Network specified CVIConstCVISRVRECANNOTGENERATEFP 0x8004003D load 0x8004003E tree 0x8004000c generate function CVIConstCVISRVREFAILEDTOLOADFPXFILE CIBIb10ApplicationsDataOtchShablNal1152017504000tif MODCOM Downloader Description Unknown CVIConstCVISRVREFAILEDTOSAVEFPFILE save ActiveX Server