In the Windows Update settings uncheck the "Recommended updates box" - that should prevent driver updates being applied.
If that doesn't work (it might not as its a "pending update") then right click the relevant update and select "Ignore update".
As a general rule of thumb its a very very bad idea to permit Windows Update to apply driver updates.
I don't even update graphics drivers for this (high-end) NVidia card unless I experience a problem. Yes, newer drivers may be faster/more efficient but unless its broken I don't "fix" it