To fix Window Update and Security not opening in Window 10/11, you need to run SFC too and perform a system restore. But if user still requires more help, then go to office.com/setup. In this blog, you will read the reasons and method to fix Window Update and Security not opening in Window 10/11.
Reasons of Window Update and Security not Opening in Window 10/11:
The reason of Window Update and Security tab isn’t opening in Window 10/11 are if system files are corrupted, if computer system is infected with virus or malware, if you find bugs in Windows OS version, if copy of Windows is missing a file, corrupt Windows Security component and also due to corrupt cache data.

Method to Fix Window Update and Security not Opening in Window 10/11:
1. Run System File Checker tool:
For this, the user should write cmd in the search box and then hit on Run as administrator which is under the Command Prompt app. Now, you should write the command and tap on Enter key:
sfc /scannow
Here, you should wait so that the scan is completed. If there is issue, then troubleshooter will fix them automatically. In the end, you need to restart your PC.
2. Use Restoro Software:
To fix the problem, the user should download and install Restoro software in their Computer. After this, they should launch the program. Now, this tool will automatically scan your computer for issues. The scanning procedure will take about 5 minutes, and when the error is detected. At the end, you should press Start Repair button to resolve the problem.
3. Fix Errors by using DISM commands:
The user should open the Start menu. After this, you should search for Command Prompt and then run it as an administrator. Now, you need to enter the below commands and tap on Enter key after each command:
Dism /Online /Cleanup-Image /CheckHealth
Dism /Online /Cleanup-Image /ScanHealth
Dism /Online /Cleanup-Image /RestoreHealth
At last, you need to close the command prompt window and just Restart your Computer system.
4. Change Windows Account:
First, you should tap on Win + I buttons at the same time in order to open the Settings menu. After this, you should hit on Accounts. Now, you should tap on Email & accounts. Here, you need to choose Add an account. Then, you have to Sign in without a Microsoft account and Local account. At this point, you need to fill the forms and just save your changes. At the end, you should switch to the newly created account and then check if you can use the Update & Security tab.
5. Perform System Restore:
You should open the Start menu and then look for Create a restore point and just open it. After this, you should tap on System restore button in the new window. Now, you should choose the appropriate option and follow the instruction on screen. At this point, computer will reboot and start the procedure. When the restore process is complete, then check the issue is resolved or not.
With this above method, the user can fix Window Update and Security not opening in Window 10 & 11. If customer needs assistance, then go to office.com/myaccount.