Why did I get error 0x80000172?

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 0x80000172?

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
PStateReg MSCMPO error ECMVERSIONSETNOTSUPPORTED Microsoft return MSDN value Opnum SHOULD World partner indicates other code call with MUST Primary 0x80000140 0x800001720x00005813 0x00000000-0x80000136-0x000001aa-550x80000177">0x800001770x00006C10 0x00000000-PStateReg-0xffffffff-Router-0x20">0x80000124-Hardware-Toms">0x8000015F0x0000880C vyattaBGP17 Forums Battlenet lockup Warcraft show kernel desktop randomly connected laptop switches Windows 25092014 route when playing games 0x8000014F0x00004E0C MSDTC Connection 0x8000017D0x00001C18 0x800001720x00003613 0x8000015C0x00004618 07022008 completes than Manager OleTx Hackipediaorg 0xC0010065 0x00000000-0x80000136-0x000001aa-550x80000177">0x80000177 0x00007010 10102014 0xC0010064 0x00005C13 CPUID HWMonitor Report 0xC0010066 0x00000000-PStateReg-0xffffffff-Router-0x20">0x80000124-Hardware-Toms">0x8000015F 0x00008C0C 33422 depend 0x80000173 specified sections 33421 TechNet success callee ECMSPROTOCOLNOTSUPPORTED 0x00000000-PStateReg-0xffffffff-Router-0x20">0x80000124 BuildContext function cleanup steps such exists then distinguish between codes described BuildContextW client Brocade display routes 0x3C035840 Verifying configuration command following example their status enter Players Forum 0xC0010067 does support VERZWEIFLUNG 0x40000000 0xC0010071 0x00800003 0x3C005840 0xC0010068 0x00000000