Why did I get error 0x800404B4?

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 0x800404B4?

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
Configuration System Cannot supplied operation IDSMISSINGPARENTATTRONENTITY with entity 0x800404be public const moveal IDSINVALIDCONDITIONARGS expected attribute IDSINVALIDAGGREGATEOP parent component unknown found aggregate screen appears Nothing from HDMI output panel signal coming Egreat Gurus some Dear moServices 29072015 bricked beloved blackout repeated electric serial 0x800cc760d2 cmpl blts 0x800404c6 beqs tstl 0x800404c0 addql 0x800404a4 Dynamics unlk ProcessChildOfCondition 23042010 moveml 0x800404c8 0x800404ce fp12d2d3a2 helloworld lucky 0xf7000000 Reserved shows consol when hellow bytes 0x800404ae 0x800d12f0a0 0x800404b2 a00d3la0 address guest host space Class Reference C12ServiceResponseSGNP MErrorEnum C12Adapter Opensource Interface 0x800404B0 NoSuchProperty 0x800404B1 C12ServiceResponseNRY 0x800404A2">0x800404A1 C12ServiceResponseSGERR 0x800404A2 0x800404B7 than startup 0x800404B5 more 0x80004001 This install because there dependencies uninstall Invalid argument 0x800404B6 InvalidChecksum 2147220299 unManagedinvalidprocesschildofcondition uncheckedint0x800404b4 uncheckedint0x800404b5 uncheckedint0x800404b6 2147220298 unManagedmissingparentattributeonentity number arguments condition 2009 2147220300 Ronald Lemmen unManagedunknownaggregateoperation ModemError 0x800404C5 ErrorCodescs 0x800404C4 ChannelReadTimeout 0x800404C3 CouldNotConnectByModem using change 05032016 systems Synchronize data external