_MemoryWrite problem

Soo i am using _MemoryWrite to change static adress value and i have this :

_MemoryWrite(0xF8A8D0, $handle , "1" , "Float")

But this doesn't seems to work . How to solve this ?

It doesn't change value when i see it in cheat engine .

FIXED

Then post the solution so other users can have a look at it.

I just added #RequireAdmin in first line .

Also i changed float to double . My fault...