I have this error too.
It's really pissing me off.
The only driver I can use is 12.1, any newer and I get this blasted 4.1 aod error.
I tried installing .NET 4 to see if that would work, no go.
I do not have to aoddriver4.01 I removed it since the 12.1 just leaves it there.
I don't understand...