How to Fix 0x800703f9 Windows 10 Update Error with Webroot Antivirus?

In some cases, users face 0x800703f9 Window 10 update error which stop you from updating your system. To resolve this issue, the user should check their antivirus and switch to reliable Webroot antivirus which is compatible with your device. In this blog, you will read the method to fix 0x800703f9 Windows 10 Update Error.

Solutions to Resolve 0x800703f9 Windows 10 Update Error:

1. Check your Antivirus:

Sometimes, this error occurs because of your antivirus or firewalls as it blocks Windows Update mistakenly and results in this issue. To fix this issue, you should disable some antivirus settings. If in case, disabling the settings doesn’t fix the issue, then you should disable your antivirus completely or just uninstall it. If you find removing the antivirus fixes the problem, then you should switch to different antivirus like Webroot antivirus which you can install via  This antivirus is fully compatible with Windows 10 and do not cause any issue in the future.

2. Run Windows Update Troubleshooter:

For this, you should download Windows Update Troubleshooter from Microsoft. After this, you should launch the tool and then just follow the direction which is there on your screen. At last, again you should install the update.

3. Manually Reset Windows Updates Components:

The users should first press Windows Key + X simutaneously and then select Command Prompt (Admin) or PowerShell (Admin). After this, you should Stop the BITS, Cryptographic, MSI Installer and the Windows Update Services just by writing the below commands and then hit on Enter button after each command:

net stop wuauserv

net stop cryptSvc

net stop bits

net stop msiserver

Now, you should rename the SoftwareDistribution and Catroot2 folder just by writing the commands which are listed below and the tap on Enter button after each command.

ren C:WindowsSoftwareDistribution SoftwareDistribution.old

ren C:WindowsSystem32catroot2 Catroot2.old

At this point, you should restart the BITS, Cryptographic, MSI Installer and Windows Update Services. Here, you need to write the below commands and then press ENTER key after each one.

net start wuauserv

net start cryptSvc

net start bits

net start msiserver

At last, you need to write Exit in the Command Prompt windows and then just try to install the updates.

4. Delete C:$WINDOWS.~BT folder:

First of all, you should go to View tab and then check Hidden items. After this, you should Delete the C:$WINDOWS.~BT folder.

5. Run SFC and DISM Scans:

The customer should open Command Prompt as administrator. Now, you need to input sfc /scannow and then hit Enter in order to run this command. This scan will take 15 minutes, so you should not interrupt it. When the SFC scan finished, then check the issue is solved or not. If you cannot run SFC scan, then you should use DISM scan.

For this, begin Command Prompt as administrator. Now, you should enter DISM /Online /Cleanup-Image /RestoreHealth and then run the command.

Now, the DISM scan start and it will take up to 20 minutes.

6.  Change Windows Update Settings:

First of all, you should tap on Windows Key + I altogether in order to open the Settings app. After this, you should navigate to Update & Security section. Now in the left side, you should tap on Advanced options just under Update settings category. At last, you should uncheck the option Give me updates for other Microsoft products when I update Windows.

For detailed information about Webroot antivirus, you should go to the official site via