Umax astra 4100 driver free download for windows 7

No support for W7, but u can try the Vuescan 9 @ http://www.hamrick.com/

After reading old postings, it looks like it may work in the Compatibility mode as WinXP sp2 or sp3.

Thanx Pyree, your link was also helpful : )
Thanx tigsounds for the driver  

Umax astra 4100 XP driver by tigsounds