Is the connection to the ScanSnap blocked by a firewall?
Windows
Perform one of the following:
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When a connection to ScanSnap Home is blocked by Windows Firewall
Allow a connection with the port numbers that are used with ScanSnap Home in the Windows Firewall settings.
For details, refer to [Windows] How can I allow a connection with port numbers in the firewall settings?.
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When the network connection for "ScanSnap Home" is blocked by security software
Check the firewall settings of your security software.
For details about how to exclude "ScanSnap Home" from being monitored by your security software, refer to the manual of the security software that you are using.
macOS
If a firewall is enabled, the connection to the ScanSnap may be blocked.
Check the firewall settings.
[Windows] Is a folder which ScanSnap Home uses being monitored by security software?
If you use security software, configure the settings so that the following files and folders are not monitored.
- Files which should not be monitored by security software
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PfuSsMon.exe
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PfuSshImgProc.exe
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PfuSshImgMonitor.exe
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SshRegister.exe
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- Folders which should not be monitored by security software
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C:\Users\<UserName>\AppData\Local\Temp\ScanSnap Home
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C:\Users\<UserName>\AppData\Local\Temp\MULTIPROCESSTEMP
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C:\Users\<UserName>\AppData\Local\Temp\SSRawData
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C:\Program Files\PFU\ScanSnap\Home (32-bit operating system)
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C:\Program Files (x86)\PFU\ScanSnap\Home (64-bit operating system)
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For details about how to configure the security software settings, refer to the manual of the security software that you are using.