Game Problem (Codename Panzers: Cold War)

At the first start, it displays the following message:
The drivers require installation (with an administrator's account). Do you want to proceed now?
When the YES button is pressed, it gives an error:
Unable to proceed (error 1275).
And then he also writes: not
enough rights: the first time you start the application, you must have administrator rights.
Please tell me how to fix it !!!!
My system is Windows 7
Yes, and I also get a message that some driver is blocked.
Thank you in advance!