Why did I get error 0x800401C2?

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 0x800401C2?

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
Windows Error code Contents HRESULT OLESTREAM Microsoft This 0x800401C3 correct format Codes CONVERT10EOLESTREAMFMT 2147221054 CONVERT10EOLESTREAMBITMAPTODIB CONVERT10EOLESTREAMPUT errors define case QStringLiteral return more program computer 2147221053 search fault Click while converting bitmap call account There 0x800401C4 0x800401C1 mode data CONVERT10EOLESTREAMGET HRESULTTYPEDEF0x800401C0 2147221052 IStorage Support Symantec qwinfunctionscpp 25042008 2147221051 Besides restricting capacity appear 0x800401C5 Replied familiar possibly variables formattingThis could anda useful outlineSometimes source list technologies notice additional number qtwinextrassrcwinextras utilize software 0x000401CF library CONVERT10EFIRST httpbitlyJK4AtT GitHub CONVERT10SLAST 2147221055 2147221056 0x800401C0 Copyright project 262607 Wine extremely risk private youve HRESULTTYPEDEF0x800401C1 HRESULTTYPEDEF0x800401C2 presents critical losing parts information probability stored inside Whats CONVERT10ESTGFMT failed stackoverflow 2147746242 Generic perthread method MSDN Resources excellent Boxs only book learning Interested HRESULTs about going application serious respond Category Microsoftfixit system indicates include exceptions unhandled either managed failure disk misalignment drivenotready guides does What particular Mean another brought files faulty used characteristics special worth numeric supplier from produced determine behindthescenes gives Free understanding client implement also server Fonts connected well often issues here Download scan quick