The file x440psu.dll is a configuration file for a Xerox printer driver for the Microsoft Windows NT Operating System from the Microsoft Corporation.  Drivers are pieces of software that allow your computer to communicate with hardware attached to the computer, like printers or external drives.

A problem with a driver can make it impossible to use the connected device.  If you are seeing an error with this dynamic link library file, the driver for your Xerox printer may not be working.  To fix this problem, you might reinstall the driver if you have access to the files, or you can first clean your registry.

The registry is a database that works as an information booth for Windows.  If the registry has a mistake in an entry, Windows won’t be able to find files it needs to run your programs.

ZookaWare PC Cleaner cleans up those registry mistakes.  ZookaWare PC Cleaner is guaranteed to hunt down and fix every problem in your registry.  When you see a dll file error, let ZookaWare PC Cleaner handle it for you.  Try a free ZookaWare PC Cleaner scan now and find out if your registry needs some cleaning.

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