How to Fix Windows Update Error 0x800703e3

The users of Windows 10 encounter this error while installing a new update or software. When you try to install any tool, a message appears that “There were problems installing some errors, but we will try again later”.

Well, if you get this error, there may be different reasons behind it. Follow the methods below to fix this error.

Method # 1: Run Antivirus Scan

The error may be due to a virus or malware. Run antivirus scan to fix this error. Make sure; you use a trustworthy antivirus/antimalware program for this purpose. I would recommend you to install AVAST antivirus program to your system to fix this error.

Method # 2: Replace the Camera Driver

Occasionally, the corrupt camera driver causes this error. Replace the camera driver to fix this error. Follow the instructions below in this context.

  • Right-click to the Start button and select “Device Manager” from here.

Start Menu

  • In the menu of Device Manager, click “Camera” to expand. Right-click to the camera version and select “Update Driver.”

Replace Driver

  • Now, restart PC and check if it fixes the error.

Method # 3: Install Windows Updates Manually

Don’t install Windows Updates automatically. Remove this option and install all updates manually to fix this error. Follow the instructions below.

  • Click “Here” to visit Microsoft Updates Catalogue.
  • Add “0x800703e3” to the Search bar to search this update in catalogue.
  • Once, it appears in the search results, install it from there manually.

Method # 4: Reset Every Windows Update Component

There may be a glitch in Windows Updates that’s causing this error. To fix this error, reset every WU component.

  • Press “Windows key + R” to open the Run dialogue box. Type here “cmd” and press Enter.

Command Prompt

  • Now, add the following commands and press Enter every time.

net stop wuauserv (It stops Windows Update Service)

net stop cryptSvc (It’s to stop Cryptographic service)

net stop bits (This command stops BITS service)

net stop msiserver (It stops MSI Installer)

  • Now add the following commands to CMD.

ren C:\Windows\SoftwareDistribution SoftwareDistribution.old

ren C:\Windows\System32\catroot2 Catroot2.old

  • Now, start the stopped services again by using the following commands.

net start wuauserv

net start cryptSvc

net start bits

net start msiserver

Method # 5: Uninstall Recently Installed Programs

If you have installed a program recently, it may be interrupting the Windows Updates and showing this error.

  • Go to the Control Panel and select “Uninstall a Program.”

Control Panel menu

  • Now, click to the recently installed program and select “Uninstall.”
  • Reboot your system and check if it fixes the error.

Method # 6: Repair Install/Clean Install

Clean install of Windows 10 can fix the issue permanently. If none of the above methods works, clean install Windows to get rid of this error.

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