Why did I get error 0x80040048?

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 0x80040048?

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 volatile unsigned HRESULT0x80040049 TAPIECALLCENTERINVALAGENTGROUP TAPIECALLCENTERINVALAGENTSTATE TAPIECALLCENTERINVALPASSWORD HRESULT0x8004004A TAPIECALLCENTERINVALAGENTID mingww64 HRESULT0x80040048 Type 0x80040040 Windows 0x80040047 library LabWindowsCVI GitHub 0x80040046 HRESULT0x8004004B KSENOTREADING KSEMINIBLOCKPOSITION 0x80040037 0x80040041 KSENOTTRANSACTING 23022017 412002020443 SetColor0x800400442mycolor SetColor0x800400441mycolor SetColor0x80040045">0x800400422mycolor SetColor0x800400461mycolor SetColor0x800400482mycolor SetColor0x800400481mycolor SetColor0x800400462mycolor Archive 5ef0dc Source KSEWRITELOCK Open b012b4 Fossies Fresh 0x80040045">0x80040042 KSENOTREADINGORTRANSACTING Software KSELOCK KSEREADLOCK KSEUNLOCK 0x80040045 found CVIConstCVISRVREINVALIDTLB Codes CVIConstCVISRVRETLBNOTFOUND valid prefix value CVIConstCVISRVREINVALIDPREFIX invalid Error Alexpuxmingww64 Contribute mingww64tapi3errh master development ActiveX Server creating account 0x8004004C static UDMA1Src UDMA1Dest main SetColor0x800400402mycolor SetColor0x80040045">0x800400421mycolor mycolor0x8080FF SetColor0x0000c5de1mycolor 0x80040044 LPC288xh Keil passed CVIConstCVISRVREMUSTUSEADVANCEDDIALOG 0x80040010 UDMA1Stat UDMA1Ctrl UDMA0Cnt 0x80040014