Easily Fix Windows Update Error 80070663

Some users have been getting the “Windows Update Error 80070663” while trying to install the latest Windows updates on their computers. In this article, we have managed to dive deep into fixing this issue and have successfully done so using some pretty easy methods that you can apply to your computer right now. In addition to that, we have also provided you with the reasons due to which the error occurs in the first place.

What Causes the Windows Update Error 80070663?

After having to study this matter in detail, we came to the conclusion that the following must be the most vital reasons behind the occurrence of this issue.

• Glitched Update: Sometimes the update service on your computer might have gotten glitched due to which the Windows Update Error 80070663 might be getting triggered. Therefore, we recommend that you try to fix it by restarting or troubleshooting it automatically.
• System Issues: Some System-related issues can also prevent the update process from being initiated and this can easily be circumvented by performing some scans which can identify and rectify the corrupted sectors on your hard disk and fix system issues.
• Glitched Microsoft Office: The Microsoft Office suite can sometimes get glitched and prevent the update service from proceeding properly. Therefore, we suggest that you try to repair or reinstall it on your computer and check to see if doing so helps in fixing the Windows Update Error 80070663.
• Registry Files: If the Registry contains certain files that have been corrupted, it will not be able to download the updates to Windows and process them on your computer effectively. Therefore, we suggest that you try to remove these registry files and check to see if by doing so, the error is fixed.

Now that we have taken you through some of the most important reasons behind its occurrence, it is about time that we finally move on towards implementing the fixes.

Fixing the Windows Update Error 80070663:

Fix 1: Troubleshooting Windows Update

1. Press the “Windows + I” keys on your keyboard to launch settings, click on the “Update and Security” option and from the left side, select the “Troubleshoot” button.
2. After this, click on the “Additional Troubleshooters” option from the right side and click on the “Windows Update” option on the next screen.

   

3. Under the Windows Update button, click on the “Run the Troubleshooter” option and wait for it to complete.
4. Check to see if running the troubleshooter fixes the Windows Update Error 80070663 on your computer.

Fix 2: Updating .NET framework

1. Press “Windows + R” from the keyboard to launch into the Run prompt, type in “Appwiz.cpl” and press “Enter” to launch into the application wizard.
2. From here, click on the “Turn Windows Features On or Off” and then make sure that the “.Net Framework 3.5” box has been checked.

   

3. Click on “OK” after verifying this to exit out of this window.
4. Download the latest version of the .NET Framework from Microsoft’s official website.
5. Install the downloaded executable on your computer and check to see if the Windows Update Error 80070663 has been fixed.

Fix 3: Running System Scans

1. Press “Windows + R” to launch into the Run prompt, type in “cmd” and then press “Shift + CTRL + Enter” on your keyboard to launch the command prompt with admin permissions.
2. Type in the following commands one by one, press “Enter” and wait for them to be executed.

   sfc/scannow
   
   DISM.exe /Online /Cleanup-image /Restorehealth

   

3. After executing these commands, restart your computer and check to see if you have been able to fix the error message.

Fix 4: Resetting Windows Update Components

1. Press “Windows + R” to launch into the Run prompt, type in “cmd” and then press “Shift + CTRL + Enter” on your keyboard to launch the command prompt with admin permissions.

   

2. After launching into the command prompt, paste the following commands one by one and press “Enter” after each to execute them.

   net stop wuauserv
   
   net stop cryptSvc
   
   net stop bits
   
   net stop msiserver
   
   ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
   
   ren C:\Windows\System32\catroot2 Catroot2.oldnet start wuauserv
   
   net start cryptSvc
   
   net start bits
   
   net start msiserver

3. After having executed all of these, make sure to restart your computer and check to see if the Windows Update Error 80070663 has been fixed.

Fix 5: Manually Install Failed Updates

1. Press “Windows + I” to launch into the settings, click on the “Update & Security” option and select the “Windows Update” button from the left side.
2. From the right, click on the “View Update History” option and click on the link of any update that has recently failed to install on your computer.

   

3. From the link that opens up in your browser, make sure to note down the “KB” number of the update. For example, “KBXXXXXXX” where “X” is replaced by its number.
4. After that, navigate to the official Microsoft Website and type in the KB number in the search box.
5. From the next screen, it will display the update version for different versions of Windows, download the one most appropriate to your Windows and run the executable to install it on your computer.
6. Check to see if, in this way, you are able to fix the Windows Update Error 80070663.

Fix 6: Repairing Microsoft Office

1. Press “Windows + I” to launch into settings, click on the “Apps” option and from the left side, click on the “Apps & Features” button.

   

2. From the list of installed apps, click on the “Microsoft Office” or the “Microsoft365” option and select the “Modify” button.
3. From the dialogue box that opens up, click on the “Quick Repair” option and then select the “Repair” button.

   

4. Wait for the process to be completed and check to see if the issue is fixed.
5. If the issue still remains, repeat up to step 4 and click on the “Online Repair” this time. Check to see if doing so fixes the issue on your computer.

Fix 7: Reinstalling Microsoft Office

1. Press “Windows + R” to launch into the Run prompt, type in “Appwiz.cpl” and press “Enter” to launch the application wizard.

   

2. In here, look for the Microsoft Office Suite or individual Microsoft Office installations and right-click on them.
3. Select the “Uninstall” button and follow the on-screen instructions to remove the software from your computer.
4. Download and install the latest version of Microsoft Office from the official website.
5. Check to see if doing so allows you to fix the Windows Update Error 80070663.

Fix 8: Starting Update Service

1. Press “Windows + R” to launch into the Run prompt, type in “Services.msc” and press “Enter” to launch into the service management window.

   

2. From this window, look for the “Windows Update” service and right-click on it.
3. Click on the “Start” option if it is available to ensure that it hasn’t been stopped.
4. Check to see if doing so gets rid of the error message during the Windows Update process.

Fix 9: Deleting Temporary Files

1. Press “Windows + R” to launch into the Run prompt, type in the following address and press “Enter” to launch into it.

   %windir%\SoftwareDistribution\DataStore

2. Press “CTRL + A” to select all the content of the folder and press “Shift + Delete” to remove it from the computer.
3. Check to see if doing so fixes the issue.

Fix 10: Deleting Files in Registry

1. Press the “Windows + R” keys on your keyboard to launch into the Run prompt.
2. Navigate through to the following path.

   HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate

   

3. Once inside this directory, from the right side, make sure to remove the “WUServer, WIStatusServer” folders.
4. Closeout of the Registry Editor and check to see if you are able to fix the Windows Update Error 80070663.

Fix 11: Disabling Antivirus

1. Press the “Windows + I” buttons from your keyboard to launch into the settings, click on the “Update and Security” option and from the left, select the “Windows Security” button.

   

2. From the right side, click on the “Virus & Threat Protection” button and under the “Virus and Threat Protection” heading on the next screen, click on the “Manage Settings” button.

   

3. In here, make sure to turn off the “Real-Time Protection” toggle and check to see if you are able to update your Windows.

Fix 12: Uninstalling Latest Update

1. Press “Windows + R” to launch into the Run prompt, type in “Appwiz.cpl” and press “Enter” to launch into the application management window.

   

2. From here, click on the “View installed Updates” button and right-click on the recently installed update list on the right side.

   

3. From here, select the “Uninstall” button and follow the on-screen instructions to remove it from your computer.
4. Check to see if doing so has fixed the issue.

Fix 13: Restarting BITS Service

1. Press “Windows + R” to launch into the Run prompt, type in “services.msc” to launch into the service management window.

   

2. Locate the “Background Intelligent Transfer Service” and right-click on it.
3. Select the “Restart” option and double-click on it.
4. Click on the “General” tab and select the “Startup Type” dropdown.

   

5. From the dropdown, click on the “Automatic” option and then click on the “Start” option if the service has still been disabled.
6. Click on “Apply” to save your changes and restart the computer.
7. Try to install the updates and check to see if you have been able to fix the Windows Update Error.

If the error message still occurs, contact us for further troubleshooting.