Hi Bhaskar Sengupta,
I am Tanvi and i would be happy to assist you today!
Restart Windows Explorer:
Press Ctrl + Shift + Esc to open Task Manager.
Click the Processes tab.
Find Windows Explorer in the list.
Right-click it and select Restart.
If the issue persists, you can follow the methods provided in the link below:
https://answers.microsoft.com/en-us/windows/for...
I hope this information helps, do let me know if you have any other queries.
Good Day