Why did I get error 0x8004048B?

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 0x8004048B?

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
size Loading section 0x8004048 text STVDEFAULT load STBLOCAL 0x8ee24e30 0x8000000 0x24c 0xa4 5539 byteswrite STTNOTYPE 0x800010c Start address rate 0x24425038 0xac800000 0x50400011 0x1b7 KBsec 0x210c0 0x24420001 Transfer Remote isrvector 11112014 debugging using 3333 0x00000000 CSDN 0x800024c 0x3df9 16617 data 0x8ee504ac 0x2462001c Groups 0x8ee201a4 0x8ee404a8 0xac620008 0x8ee2724c 0xac62001c 0xac950000 0xac820004 0x1600000b openocd 0x2e22021 0x24020001 patch224 0051 Google Linux Kernel Patch Program received signal Continuing 12112014 reporting instructions 536872480 0x08002b78 prvCheckTasksWaitingTermination Thread SIGINT Interrupt Switching 0xac640000 0xac650004 0x8ee204c4 0xac620018 0x24020008 0xa462000e 0x24020011 0x24100001 RSSingcom openocdFreeRTOS812 0x14400034 0xac620010 0xaf860120 0x92e24e20 FreeRTOS 0x80040475 UnknownSocketError 0x8004047F ClientApplicationError 0x8004044D InvalidBaud C12ServiceResponseOK 0x80040490 TMS320C6x CharactersNotEchoed CrcCheckFailed 0x8004048D MErrorEnum Class Reference C12Adapter Opensource Interface 0x8004041A StringTooLong 0x80040420 NumberOutOfRange 0x80040418 IndexOutOfRange patch2317 linuxdriversnetacenicfirmwareh Funet 0x8004068 0x163 0x800410c 0x50540003 0x1021 0xaee24e30 04091999 0x2c420011 0x8004044 v700A08284 Copyright 1996 Object File Display 0x161 0x162 0x15 0x80203c8 STTOBJECT rodata