Date:2013-03-14 Safety:Kaspersky McAfee Noton BitDefender AVG
Ricoh WIA Scanner UI Extension DLL
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Go to the download page
Using the zip or rar file 1.Download rw450ext.dll 5.0.2419.1
2.Extract rw450ext.dll 5.0.2419.1 from .zip. We recommend that you extract rw450ext.dll 5.0.2419.1 to the installation directory of the program that is requesting rw450ext.dll 5.0.2419.1.
3.If that doesn't work, you will have to extract rw450ext.dll 5.0.2419.1 to your system directory. By default, this is:
C:\Windows\System32 (Windows XP, Vista, 7, 8)
C:\WINNT\System32 (Windows NT/2000)
C:\Windows\System (Windows 95/98/Me)
4.If you use a 64-bit version of Windows, you should also place rw450ext.dll 5.0.2419.1 in C:\Windows\SysWOW64\
5.Make sure overwrite any existing files (but make a backup copy of the original file).
6.Reboot your computer.
7.If the problem still occurs, try the following:
8.Open Windows Start menu and select "Run...".
9.Type CMD and press Enter (or if you use Windows ME, type COMMAND)).
10.Type regsvr32 rw450ext.dll 5.0.2419.1 and press Enter.
