The most successful way to bypass the driver deficiency is by using standalone scanner software.
If drivers fail, the most reliable way to use a UMAX Astra 5800 on Windows 7 64-bit is to use software that includes its own built-in drivers for legacy hardware. umax astra 5800 scanner driver for windows 7 64 bit
In some cases, Windows Update may provide a compatible driver for your UMAX Astra 5800 scanner. You can check for updates using the following steps: The most successful way to bypass the driver