Why did I get error 0x80003018?

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 0x80003018?

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 uint32t bypass whilevolatile volatile GitHub 0x8000301817 take wait continue Source 11052009 File Contiki cpumc1322xsrcdefaultlowlevelc CRMSTATUS unsigned i0x161a8 00044 buck 00043 fori0 SDRAM1 SDRAM1EmcCfgDigDll 0x80000040 0x00000001 EmcDynSelfRefControl SDRAM1AhbArbitrationXbarCtrlMemInitDone CRMSLEEPCNTL 4ca63b9b868f377412cd22992ce2b8ea56c6e307 0x80003008 0xf0070191 CRMXTALCNTL allow LPC288xh used could possibly 0x80003028 MODE0C0 MODE1C0 Keil 09012007 SourceForge testssleepc Econotag Contikidevelopers mc1322x delay post STRTCLK PINS0 However cbootimageconfigsE1611Hynix2GBH5TC4G63MFR WikiDevi GPIOPADPUEN0 4ca63b9b hibernate doze RetroInitFromFlash louiscaronopenmc13224v 0x80000014 0x80000010 GPIOPADPUEN1 both PC0x8002C064 0x00000004Function0x80003020 0x00000003Function0x8002BFE4 07052016 PC0x8002C33C demonstrates sleeping test PC0x80003018 0x00000005 master avian2contiki contikidefaultlowlevelc REG0x80003018 0x0000f980 start regulators 0x00000ff8 Belkin CRMVREGCNTL CRMSTATUSREG length sp28 F5D72304 Wiki sp20 read register sp32 uint8t patchCountsave