March 1, 2024

Are you encountering the Windows Update Error 0x800703e3? In this step-by-step guide, I will walk you through the process of fixing this error and getting your Windows updates back on track.

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Update your operating system regularly to avoid encountering the 0x800703e3 error.

Understanding the Update Error

When encountering Windows Update Error 0x800703e3, it’s important to understand that this error typically occurs due to corrupted system files or a glitch in the Windows Update process. This can prevent the operating system from installing important updates and patches.

To fix this error, you can start by running the Windows Update Troubleshooter. This built-in tool can help identify and resolve common update issues.

If the troubleshooter doesn’t fix the error, you may need to perform a system file check using the Command Prompt. This will scan for and repair corrupted system files that could be causing the update error.

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In some cases, booting into Safe Mode and performing a system restore to a previous point may also resolve the issue.

Remember to always back up your important files before attempting any system fixes, and consider seeking professional help if you’re unsure about making changes to the Windows Registry.

Running the Windows Update Troubleshooter

Windows troubleshooter interface

  • Open Settings by pressing Windows + I
  • Click on Update & Security
  • Click on Troubleshoot
  • Click on Windows Update
  • Click on Run the troubleshooter

Manual Installation and Reset of Update Components

To manually install and reset update components in order to fix Windows Update Error 0x800703e3, follow these steps:

1. Stop Windows Update Service: Press the Windows key + R, type “services.msc” and press Enter. Locate the Windows Update service, right-click on it, and select Stop.

2. Reset SoftwareDistribution and Catroot2 folders: Open Command Prompt as an administrator and run the following commands:
– “net stop wuauserv”
– “net stop cryptSvc”
– “net stop bits”
– “net stop msiserver”
– “ren C:\Windows\SoftwareDistribution SoftwareDistribution.old”
– “ren C:\Windows\System32\catroot2 Catroot2.old”
– “net start wuauserv”
– “net start cryptSvc”
– “net start bits”
– “net start msiserver”

3. Manually install Windows Update: Download the latest Windows Update from the Microsoft Update Catalog and install it manually.

4. Restart Windows Update Service: Go back to the Services window, right-click on Windows Update service, and select Start.

Clean Reinstallation of Windows

Step 1: Insert your Windows installation media and restart your computer.
Step 2: Boot from the installation media and follow the on-screen instructions to begin the installation process.
Step 3: When prompted, select the option to perform a clean installation, which will erase all existing data on your hard drive.
Step 4: Follow the remaining prompts to complete the installation, including entering your product key when prompted.
Step 5: Once the installation is complete, restore your backed-up files and data.

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Performing a clean reinstallation of Windows can resolve many system errors, including the Windows Update Error 0x800703e3.

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