Basically, acer/benq have not provided updates so their older scanners do not work with Vista.
However, the program VueScan has its own drivers and is compatible with the 3300U and 4400U.
Install the program, then go to 'device manager' in windows, find the scanner, right click on it, and select 'update driver software'. then manually select the folder that VueScan has been installed in (i.e. C:/Program Files/VueScan), and it will automatically find the driver.
The only downside is that you get a watermark on any scans you make unless you purchase the program.
Hope this helps
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Driver install fails with error code 22 - "not enough storage is available to complete the operation"
The machine has 1.2TB of free disc space as 3GB of RAM.
i have the same problem with the same scanner
How much free space u have on drive 'C' and how much is required for installing that software ?
is the scanner compatible with scanner
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