TWAIN drivers are used for imaging software on your computer. This software is accessed every time you connect a digital camera to your system or open an image file on the computer. TWAIN drivers that are outdated or corrupt can inhibit the productivity of computer systems because they will not allow image files to be opened. Repairing your TWAIN driver is not very hard. You can easily update, roll back, or reinstall the driver through the Windows 7 system.

How to Repair a Twain Driver - 2