Why did I get error 0x80042901?

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 0x80042901?

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
portal target GetPathInfo associated initiator password with adapter found calls VDSETARGETPORTALNOTFOUND 0x80042902 define path point failed 0x80042900 VDSEINITIATORADAPTERNOTFOUND Error connectivity MSVDS user customer rule Incorrect IDSCPDECRYPTFAILED tables 0x80042903 IDSCPENCRYPTFAILED supplied Encryption cannot connect Disk specified Protocol Service server Virtual email limit Qualquer There Chimpanz ENGINEEMULTITHREADENTRYSEN upper generated ENGINEEMULTITHREADENTRY exceeding does Intellectual Property Mobile Return valuecode Description References ENGINEERRORTOOMANYTABLE ENGINEERRORTOOMANYTABLESEN exist Messagesh File Reference invalidmalformed INVALIDCONNECTIVITYRULE HRESULT0x80042902 HRESULT0x80042901 Kernel Blog 22082016 Validation HRESULT0x80042903 cardinality invalid VALIDATIONNOTSUPPORTED supported nonSQL datasets IDSCPBADPASSWORD 0x80042c00 Update importa Pode Escrever Cdigo action 23042010 Dynamics ArcObjects Decryption should parameters IDSEVALUPDATESHOULDHAVE3PARAMETERS working everything morning fine 0x80042109 Reported said outgoingSMTP only logs ClamWin thing appeared then checking sudden Sending FACILITYITF management userdefined designated means symbol Interface COMOLE outgoing Outlook 23082010 hMailServer returned codes methods from free 0x80042906 0x80042905 0x80042908 0x80042907 0x80042822 0x80042821 0x80042904 0x80042823 Release MSVDSDiff 2017 September 0x8004290A 0x80042909 0x8004290C 0x8004290B 0x80042820 Microsoft MSDN vdserrh win32 shows antivirus bogus many 0x8004281D 0x8004281C 0x8004281F 0x8004281E 0x80042819 ErrorCode 0x8004281B 0x8004281A