Hello, Shridhar maniraj
Welcome to Microsoft Community.
You can run a malware scan with your security software or initiate a clean boot to verify if there is any hidden software, like a virus, that is blocking PowerShell from opening. You can follow the instructions here to perform a clean boot:
How to perform a clean boot in Windows - Microsoft Support
You can also use System File Checker to repair corrupted system files that may prevent PowerShell from working properly:
How to Use System File Checker in Windows - Microsoft Support
Otherwise, you'll need to reset your PC to reinstall Windows 10 and fix any issues that may have occurred during the cloning process. You can follow the instructions in this article to reset your PC.
Give your PC a Fresh Start - Microsoft Support
Make sure you backup your important files before doing this.
Yuhao Li
Microsoft Community Technical Support