Fujitsu ScanSnap N1800 Operator's Manual page 46

(*2): For the Admin Tool, confirm that the latest security patch has been applied.
If the latest patch has not been applied, download operations (such as
manual download) may not be possible. For Windows XP, "KB933566"
must be applied to Internet Explorer.
If download operations are not possible, clear the [Do not save encrypted
pages to disk] check box on [Advanced] of [Internet Options] in Internet
Explorer, and then try downloading again.
If the Web browser is Internet Explorer 10, configure [Compatibility View
settings] so that the specified URL is displayed in compatibility view.
ATTENTION
Make sure that the language settings for the computer where the Admin Tool and User Editor
are installed are the same as the language settings for the scanner.
Hardware
Computer that runs the supported software and meets the following conditions:
32 MB or more of free memory space
64 MB or more of free disk space
XGA monitor or better
LAN cable
Pointing device (e.g. mouse)
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1.4 System Requirements