The file g521t32w.dll belongs to a conversion component of Word For Word conversion for JPEG (an image format) created by the Inso Corporation. The Inso Corporation was a spinoff company from major textbook publisher Houghton Mifflin. Their specialty was creating software for document publishing, and the Word For Word tools were created to ease the publishing of documents across different operating systems.
This file was used in the conversion of JPG files. Errors with this file may disable any program that relies on it for conversions. You should clean your registry to fix problems with dll files like this.
The registry is the information booth for Windows. Every file installed on your computer has an entry in the registry that links it to programs that need it and tells Windows where to find it and how to use it. The usual cause of dll file errors are mistakes in the registry. Cleaning up those mistakes is a difficult task even for Windows experts.
Instead of dealing with it manually, use ZookaWare PC Cleaner. ZookaWare PC Cleaner finds and fixes every mistake in your registry, getting your system stable and running smooth again.