Configuration system failed to initialize on Windows 10 [Solved]

By April Cai in Common Errors Tags: Windows 10



Some users reported that Configuration system failed to initialize error appears on their Windows 10. It happened when they run a newly installed app or run an app after adding a web service to it. If you are reading this article, it’s very likely you also face such error. Not to worry. Right here, this guide will be telling you the effective methods to fix it.

Try one at a time:

  1. Run System File Checker tool 
  2. Check your config file
  3. Delete the old config file

Fix 1: Run System File Checker tool


Corruptions in Windows system files can cause Configuration system failed to initialize error. Thus we can run System File Checker tool to check and fix the error.

1)  On your keyboard, press the Windows logo key  + X key at the same time to open the quick access menu.

2)  Click Command Prompt(Admin) to run Command Prompt as administrator.

Click Yes when prompted by User Account Control.

3) On the command prompt window, type sfc /scannow and hit Enter. Wait for it till Verification 100% Complete.



System File Checker will help you restore the corrupted files automatically.

4) When it’s done, close the command prompt window. Check if the error still exists.

Fix 2: Check your config file


Make sure inside the configuration element of your config file, the first child is configSections element.

1) On your keyboard, press the Windows logo key  and at the same time to open the File Explorer.

2) Go to C: Windows \ Microsoft.NET \ Framework64 \ v2.0.50727 \ CONFIG.



3) Right-click on the config file of the app which exist the error. Choose Edit. ( we recommend you use Notepad++.to modify )



4) When the config file is open, check inside the configuration element, ensure the first child is configSections element.



If the error appears on your windows 10, the first child may probably isn’t configSections element inside the configuration element. Then you can remove the configuration element between <configuration> and <configSections>.

5) Save the changes on config file and close edit window. Check if the error still appears.

Fix 3: Delete the old config file

1) On your keyboard, press the Windows logo key  and at the same time to open the File Explorer.

2) Go to C: \ Users \ username \ AppData \ Local \ appname and delete the app config file.

3) Go to C: \ Users \ username \ AppData \ Roaming \ appname and delete the app config file.

4) Restart your app and check if the error still occurs.