rw430ext.dll: download the file and fix the error

32-bit (x86) Ricoh WIA driver for IS420/430 Scanned by antivirus

rw430ext.dll is a file of the software Ricoh WIA driver for IS420/430 (“Ricoh WIA Scanner UI Extension DLL”), published by Ricoh Co., Ltd.. Version offered here: 5, 0, 2419, 1, 32-bit.

Programs that need it refuse to start, or show an error, when it is missing or damaged. Two methods can fix the error, below.

Method 1 · quick · about 1 minute

Download only rw430ext.dll

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

⇓ Download rw430ext.dll .zip file: the DLL + its instructions · downloaded 1,955 times

Version: 5, 0, 2419, 1
Architecture: 32-bit (x86)
Size: 24.58 KB
Publisher: Ricoh Co., Ltd.

Then:

Extract rw430ext.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: 080f1736b15b22418d91459b027e89823c0e78fb1982d8798e42fcb128c64e82 · Check on VirusTotal · Product: Ricoh WIA driver for IS420/430

Method 2 · complete · depends on the program

Reinstall the program that shows the error

The program normally provides rw430ext.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 rw430ext.dll

The program can't start because rw430ext.dll is missing.
Error loading rw430ext.dll. The specified module could not be found.
Failed to load rw430ext.dll

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