subrata guha :
window is not opening,,, I put my correct Microsoft passward but it still seen loading ,,
If you can boot into safe mode, try these steps:
1. Press "Windows + R" at the same time
2. Enter "control wuaucpl.cpl" (without speech marks) followed by enter
3. Select "Scan for Updates"
4. Install all updates including optional ones
5. Restart your PC into the normal desktop
6. Restart your PC into Safe Mode
7. Press "Windows + X" at the same time
8. Select “Command Prompt (Admin)
11. Enter "sfc /scannow" (without the speech marks) into Command Prompt followed by enter
12. Let the scan complete
Let me know how this goes.