Why did I get error 0x80000078?

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 0x80000078?

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
1111 Test CCNA 0x80000076-Router-1164-Link">0x80000077 Guide Exam 1119 Review 0x80000076-0x80000077-CCNA">0x80000074 1164 Switching Routing 1104 WADummy sleep SIMwritephysmemorycpu mode 0x8000007b 0x80000079 0x8000007c define intuitionintuitionh 0x80000076 Number info Forum Decimal Tech Windows What signify memory issue affected usually Which Microsoft 0x000cb4 17216100 0x00f0ea WARMBTrap Complete 100105 1010300 crashing problems 1010200 2147483768 0x003149 Conversion Labs 24112014 addr0x80000000 behavior Hardfault Silicon here addr0x80000078 addr0x80000079 more normal results words used pmonpy cycling overused other uart2control Diagnosing strange uart2status uart1control 0x80000088 1131 Area Mount Protokoll Summary Link States Record Marker Size TCPIP thsum8ec0 thurp0 0x8000002d 0x0014b0 1010110 0x0021a5 0x00d00b 1010400 17216104 200105 0x80000075 0x8000002b Exams 100101 200101 Last Amiga Developer Docs Dotted 0x8000007d IncludeXREF 10000000000000000000000001111000 Binary 0x15 Hexadecimal 1143 WAPubScreenName ICND2 100003NFSPROGRAM slipsslip0044md master Fragment REPLY XID993839065 Pivx Study 0x8000007a satoshilabsslips GitHub 09072014