NVIDIA Drivers 196.21

This is a WHQL-certified driver for GeForce 6, 7, 8, 9, 100, and 200-series desktop GPUs and ION desktop GPUs.

NVIDIA GeForce Driver software unleashes the full power and features in NVIDIA's desktop, gaming, platform, workstation, laptop, multimedia, and mobile products. Delivering a proven record of compatibility, reliability, and stability with the widest range of games and applications, NVIDIA GeForce Driver software ensures the best experience with your NVIDIA hardware.

Incredible 3D and video performance for all of your applications.
Rock-solid system stability, greater compatibility, and reliability with NVIDIA Unified Driver Architecture (UDA).
Industry-leading features for graphics, audio, video, communications, storage, and security.
Robust product support for over ten unique operating systems.
Continual product performance and feature updates for the life of your NVIDIA hardware.

It is highly recommended to always use the most recent driver version available.
Try to set a system restore point before installing a device driver. This will help if you installed a wrong driver.