If you are using Windows 10, but you are unable to use or start it, there are several factors that can be responsible for it. Therefore, one needs to use the check the below-given points first:
1. The Security Center is poorly configured to start correctly.
2. The ‘log on the user’ for Security Center is not properly configured.
3. There is Malware infection on your device that is affecting the functioning of Windows 10.
4. There is an insecure third party application installed on your device.
Read More: Windows Security Service can't be Started