rw450ext.dll: download the file and fix the error

32-bit (x86) Ricoh WIA driver for IS450 Scanned by antivirus

rw450ext.dll is a file of the software Ricoh WIA driver for IS450 (“Ricoh WIA Scanner UI Extension DLL”), published by Ricoh Co., Ltd.. Version offered here: 5, 0, 2419, 1, 32-bit.

If this file is missing or damaged, the program that uses it does not start and Windows displays an error message. Two methods can fix the error, below.

Method 1 · quick · about 1 minute

Download only rw450ext.dll

Ideal if only this file is reported missing: you replace a single file, without reinstalling anything.

⇓ Download rw450ext.dll .zip file: the DLL + its instructions · downloaded 2,010 times

Version: 5, 0, 2419, 1
Architecture: 32-bit (x86)
Size: 26.62 KB
Publisher: Ricoh Co., Ltd.

Then:

Extract rw450ext.dll from the zip file and copy it to the folder of the program showing the error (where its .exe file is).
Still getting the error? Copy it to C:\Windows\SysWOW64 (64-bit Windows) or C:\Windows\System32 (32-bit Windows), then restart.

SHA-256: 66598a713ecad9b201fb5ee6e0340c1e756ccb193642032c7af1f0c0a6c8f222 · Check on VirusTotal · Product: Ricoh WIA driver for IS450

Method 2 · complete · depends on the program

Reinstall the program that shows the error

The program normally provides rw450ext.dll itself, in the exact version it expects. Recommended if several files are missing or if the error comes back.

Settings › Apps › Installed apps: uninstall the program or game concerned.
Reinstall it from its original setup program, then restart your computer.

Error messages related to rw450ext.dll

The program can't start because rw450ext.dll is missing.
Error loading rw450ext.dll. The specified module could not be found.
Failed to load rw450ext.dll

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