Why did I get error 0x80043301?

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 0x80043301?

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 define occurred inmemory Network unexpected cache schema Internal Context Please index configuration Application Details code note Catalog Event ParamDesc contains because content descriptor MicroStrategy 3023 cannot comment EMSICSINKINITFAILEDSEN EMSICSINKINITFAILED File 0x80043401 Reference nonzero Server 0x80043403 0x80043404-CONTENTSOURCEEUNEXPECTEDNULLPOINTER-WindowsSearchErrorsh-2147758237">0x80043402 lower Mobile References Messagesh boundary 2003 dimension path site rules from removed started update sources excluded were httpipaddress call Source English Support Tech PortalContent FACILITYITF EMSIIDSSSERVERNETINVALIDPOINTERSEN 10927 management COMOLE List Interface 10926 httpswwwhresultinfoFACILITYITF0x80043401 httpswwwhresultinfoFACILITYITF0x80042A07 mode httpswwwhresultinfoFACILITYITF0x00040000 httpswww httpswwwhresultinfoFACILITYITF0x80042A06 search advanced httpswwwhresultinfoFACILITYITF0x80043301 httpswwwhresultinfoFACILITYITF0x80042A08 httpswwwhresultinfoFACILITYITF0x80042A09 hresult rows 0x80043300 0x80043201 dimensional 0x80043200 0x80043302 EMSIDSSSERVERNETNOTINIT EMSIDSSSERVERNETNOTINITSEN columns 10928 CONTENTSOURCEEPROPERTYMAPPINGBADVECTORSIZE 0x80043404 CONTENTSOURCEEUNEXPECTEDNULLPOINTER SRCHSCHEMACACHEEUNEXPECTED CONTENTSOURCEEPROPERTYMAPPINGREAD Community 0x80043101 Actians OpenROAD Guide enable Problem while searching example Private Subscribers only specific win32 WindowsSearchErrorsh ErrorCode httpxxxx sites Microsoft viewer good microsoftsharepointpssearchservice Request translation Go4SharepointCom Errors Sharepoint Forum description message information Click Lopes plain Comments Filipe 0x80042401 crawl proper 20022006 Portal 0x80042617 0x80042701 0x80042801 httpsmyserver wrote Have reset Young NonPortalContent give Shane 0x80042616 0x80042500 0x80042601 0x80042603 0x80042406 0x80042402 0x80042404 0x80042405 0x80042604 0x80042609 0x80042611 0x80042614 0x80042608 0x80042605 0x80042606 0x80042607