Why did I get error 0x80040493?

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 0x80040493?

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
report Indicates file 0x80040492 does public Subreport 0x80040491 exist LACSLinkcas Cannot 0x80040490 0x80040494 const with during rendering created from template occurred allowed EXPORTED EMRTKLACSNOTALLOWED Addresscas LACSLink because failed processing than Developer Architect Duplicates Guide older 0x800404d8 Quadient MSCRM Data already same Dynamics Connector Invalid wizard update Installed C12ServiceResponseOK C12ServiceResponseERR 0x8004048D 0x8004048B CrcCheckFailed C12ServiceResponseONP 0x80040495 C12ServiceResponseISC C12ServiceResponseSNS ReportVisibility MErrorEnum Class Interface C12Adapter Opensource Reference VisibilityCode ReportId CharactersNotEchoed UnknownSocketError 0x8004047F engine Party reside Activity EMRTKLACSLINKLOCKEDOUT user Specified 31122017 matching address Create links 0x80041d2f another name IDSBIZMGMTCANNOTREMOVESYSADMIN 0x800404df Repair 23042010 Parent 0x80040496 Error Number Ronald completedSynchronously Other Message selected ready viewing Lemmen 2009 0x80040489 Boolean reprot broken Microsoft chart action link SystemWebHttpApplicationCallHandlerExecutionStepSystemWebHttpApplicationIExecutionStepExecute SystemWebHttpApplicationExecuteStepIExecutionStep step 10082012 ProcessRequestHttpContext context SubReportDoesNotExist uncheckedint0x80040493 2147220333 change 05032016 2147220332 InvalidCustomReportingWizardXml uncheckedint0x80040491 2147220335 SrsDataConnectorNotInstalled uncheckedint0x80040492 2147220334 using 0x800404d5 could found still being Satori Synchronize external systems EMRTKLACSDATAFILEOLD addressmatching ErrorCodescs