This is the most asked problem in Windows in which after several Windows updates the computer now responds when you double click it instead of single clicking it. It's annoying that Microsoft still hasn't fixed this bug and I am glad to give you the instructions on how to fix it here.
Instructions to fix it here
open Explorer > Tools > Folder Options. Here under the General tab, you will see Click items as follows
Instructions to fix it here
open Explorer > Tools > Folder Options. Here under the General tab, you will see Click items as follows
Here select Single-click to open an item (point to select). You may also want to select the Underline icon tiles only when I point at them option.
Click Appy > OK > Exit.
