Vs-20 driver crashes computer

i purchased a vs-20- first problem, the disc would not read, so no Guitar Tracks. I then went to use it with Sonar X1, downloaded drivers, but blue screen crash when opening Sonar. Tried uninstalling and re-installing numerous times. Some times crashed when plugging in usb during install. One time managed to get installed and showed up in preferences for Sonar, but crashed when accepting preferences change.
Drivers will not install in safe mode.
Every crash, install, and re-install means rebooting, so this has been a lengthy procedure with no success. I originally was set up for two screens with a hub and driver, but disconnected to troubleshoot the problem.
Any suggestions? Please?

Operating System: Windows 7 Home Premium Home Edition Media Center 6.01.7601 Service Pack 1
Mainboard : Acer Aspire 1551, Chipset AMD 785GX
Processor : AMD Athlon II Neo K325 @ 1300MHz
Physical Memory : 3072MBDDR3-SDRAM
Video Card : ATI Mobility Radeon HD 4225
Hard Disk : Western Digital WD3200BEVT-22A23T0 ATA Device (320GB)
Monitor Type : VE198 - 19 inches
Monitor Type : SAMSUNG  - 12 inches
Operating System : Windows 7 Home Premium Home Edition Media Center 6.01.7601 Service Pack 1 (64-bit)
DirectX : Version 11.00