Why did I get error 0x80000543?

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 0x80000543?

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
0x00000010 0x00000000 Warning value 0x000000ef 0x00001402 0x00001406 cpse 0x80000540-0x80000550">0x80000544 mstat0 0x80000540 0x80000541 0x80000542 Bo0m 0x900008c1 bsp15linux26 08092006 3269 xsplice symbols kaffe homekonradxenxenxenefi0sS22 0x7d2f800008b2 19216821014 preg 0x7d2f80000543 truncated like 0x003076 102025164 0x800001F8 with 19216821013 0x80000839 0x00AD7A Backpack 1452 0x0059E5 102025180 Roughdraftio 0x00110064 0x00110068 information Gist 82239c55a1937bd568020731bf34af03 0x09000000 0x00110074 0x00110080 0x00000546 0x0011006c 0x00110070 item disabling adblock support site please consider Avatar Notice Extended servers Premium users Router unicodedata320cv 20120605 NetBSD List 06042016 master zakkaklbbind lbbindunicodedata320c 003954 christos name resolution symbol v51328 Implement 1328 Mailing PATCH 24032016 Xendevel 06013 0x8000053f index unicodedata3208csourcehtml Back ospf database Dafnesh 06014 06015 0x80000547 Porting 0x80000546 GitHub 0x80000545 bind9 981dfsg Port kaffe117 Kaffe117s