How to fix error 0x80D03805 − Windows 10, Windows 8.1 (Windows 8.1)

The reason behind the Windows update error 0x80D03805 may be corrupt Windows system files or another conflict between the system and a program installed. If this is the case, fixing those files using the System File Checker tool can help you resolve this issue.

To run the SFC tool, feel free to follow the steps below:

1. Click on the start menu and type command prompt;
2. Once it appears in the search results, right click on it and select Run as Administrator;
3. In the command prompt type the following command:
   
   sfc /scannow
   

   
   
   

4. Wait for the process to complete.

Resetting (or erasing) the Windows Store cache can help you fix the Windows error 0x80D03805, as the cached files may have become corrupt. Feel free to follow the steps below, in order to reset the cache:

1. Go to the start menu and type command prompt;
2. Right click on Command Prompt and select Run as Administrator (and enter your username and password, if asked);
3. Type the following command and press Enter:
   
   wsreset.exe
   
   
4. Once you receive on-screen verification that the command has been executed, restart your computer and check if the error message would reappear.

Scan your computer for viruses, and remove them if you have found one, as they may be responsible for the issue. Open your antivirus software or install one, if you didn't have one already, and scan your computer. If the antivirus detects viruses, remove them. Removing the virus is not the end, you shouldn't lower your guard. Protect your computer and the data on it additionally, by:

• avoiding spam emails;
• not visiting every website that grabs your attention;
• installing programs from the developer's website only;
• regularly updating the antivirus software;
• regularly updating your operating system to the latest version.
  
  

The virus removal and protection guide can teach you more about useful tips on how to remove viruses and protect your computer against them.

Another way to fix the error 0x80D03805 is via the Windows Update Troubleshooter tool, made to assist you with resolving issues related to installing Windows updates.

To run the Windows Update Troubleshooter tool to fix your computer, feel free to follow the steps below:

1. Go to Settings and click on Update & Security;
2. Click on Troubleshoot and then on Windows Update Troubleshooter;
3. Run the tool and follow the on-screen instructions.
   

   
   
   

Note: On some Windows versions, you can access the troubleshooter by following the steps below:

1. Go to Settings;
2. Click on Update & Security;
3. Click on Troubleshoot;
4. Follow the on-screen instructions.

Maybe the Windows Update service is the reason behind the 0x80D03805 error message. To reset the service, feel free to follow the below-mentioned steps:

1. Go to the start menu, type services.msc and click on the Services icon once it appears;
2. Right-click on the Windows Update service and click on Properties;
3. Click on Disable;
4. Restart your computer;
5. Repeat steps 1 and 2, enable Windows Update, and try installing the updates.
   
   

If the above-mentioned steps didn't fix the error, feel free to follow the steps below:

1. Open the start menu, type command prompt, right-click on it once it appears and select Run as administrator;
2. Type the commands below one at a time, pressing the Enter key after typing every command:
   
   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. Restart the computer