Mouse Scroll wheel works -sometimes- but not all the time :s ?

My mouse wheel will work sometimes but not all the time.
I am convinced that its not a hardware fault, but anyone else had issues with mice and Win10 ?

(there is no special driver from manu website.)
Anker Vertical Mouse

Clean it, grot gets down the sides of the scroll wheel and blocks the scrolling wheel detection.
The screws to disassemble a mouse are often under the slidy plastic feet which means unsticking them.
Hardly worth it on a cheap mouse, just buy a new one.

There are a ton of videos on YouTube on particular mice.

Helmut said:

Clean it, grot gets down the sides of the scroll wheel and blocks the scrolling wheel detection.
The screws to disassemble a mouse are often under the slidy plastic feet which means unsticking them.
Hardly worth it on a cheap mouse, just buy a new one.

There are a ton of videos on YouTube on particular mice.

Thanks , its only a couple months old.

I see a lot of times where the scroll wheel doesn't work if the window has lost focus but clicking in a blank area or click and drag of the scroll bar will get the wheel working. Sometimes a setting change in Mouse to get 1 line at a time instead of the default 3 lines will help.