An error occurs when starting the setting screen of IP Address Setting Tool or Certificate Registration Tool.

Symptom

An error may occur when the following tools start on Windows 11.
(Models concerned: fi-7300NX/fi-8290/fi-8270/fi-8250/fi-8190/fi-8270/fi-8150/SP-1125N/SP-1130Ne/SP-1130N /SP-1120N.)

The error is due to the WIA service which is confirmed to fail infrequently on Windows 11.

• The following error occurs when starting the setting screen of IP Address Setting Tool.
  
  Message: This scanner is being used by another user or application. (ERS0000-002)
• The following error or a similar error occurs when starting the setting screen of Certificate Registration Tool.
  
  Message: Failed to connect to the scanner. (ERS0004-0)

Workarounds

Try either workaround to start the WIA service again:

• a. Restart the computer
• b. Manually restart the WIA service

a. Restart the computer

1. Exit IP Address Setting Tool and Certificate Registration Tool.
2. Restart the computer.
   *Restart the computer and log in as a user with administrator privileges. Wait a few minutes (about 2 to 5 minutes) for the startup process to finish, and then perform the following operation.
3. Start IP Address Setting Tool or Certificate Registration Tool.

b. Manually restart the WIA process

1. Start [Services] from the Windows Start menu.
2. Right-click Windows Image Acquisition (WIA) and select [Restart].
   
   *If this service is not started, select [Start].
3. Confirm that the status of this service is [Running].
4. Start IP Address Setting Tool or Certificate Registration Tool.