Why did I get error 0x8004004A?

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 0x8004004A?

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
define i18nNet mingww64 0x80040048 0x8004004B 0x80040047 0x80040050 obsolete 0x80040051 0x80040053 TAPIECALLCENTERINVALPASSWORD HRESULT0x8004004A 0x8004004C function 0x80040046 TAPIECALLCENTERINVALAGENTSTATE HRESULT0x8004004B 0x80040049 called TAPIECALLCENTERINVALAGENTID Error GitHub Windows HRESULT0x80040048 CVIConstCVISRVREMETHODOBSOLETE method HRESULT0x80040049 TAPIECALLCENTERINVALAGENTGROUP KSEDUPKEY 5ef0dc KSETRANSACTING KSEKEYERROR b012b4 KSEKEYNOTFOUND KSETOOMANYTREELEVELS Labwindows convert extragearmultimediaamarok archivuminfo possible CmtStatus CAGetAutomationErrorString Host Read Write trunkextragearmultimediaamaroksrcenginehelixhelixerrorscpp 589898589899 i18nInvalid does include exceptionHandle Code Tutorial x88softwarecom following table lists parameter only available runtime binding CVIConstCVISRVREINVALIDRUNTIMEBINDING Support National value settings CVIConstCVISRVRECANNOTSETRUNTIMEBINDING project valid current Contribute development Alexpuxmingww64 mingww64tapi3errh master creating Server Codes ActiveX account LabWindowsCVI 0x80040058 0x80040059 0x80040057 0x80040055 0x80040056 0x8004005A KSEWRITELOCK KSEREADING KSEREADLOCK 412002020443 KSEUNLOCK 0x80040043 0x80040044 ErrorCode win32 Tapi3Errh 0x80040045 0x80040052 0x80040054 0x8004004F 0x8004004D 0x8004004E