DEX_SPiGen3.EXE is part of a product called known as Java(TM) 2 Platform Standard Edition 5.0 Update 8 and the developer is Sun Microsystems, Inc. .
If you think that this file contains a virus or another malware, please download a virus scanner.
If DEX_SPiGen3.EXE is using too much CPU or too much memory in your system, it is possible that your file has been infected with a virus. Installing an antivirus is recommended.
Not all processes can be uninstalled without the help of a 3rd party tool, especially malware. To see if it can be uninstalled, first go to Start > Control Panel > Add/Remove programs and select Java(TM) 2 Platform Standard Edition 5.0 Update 8 from the list to remove the process DEX_SPiGen3.EXE from your computer.
If you have any problems with DEX_SPiGen3.EXE, you may try using a registry cleaner or a speed-up software to check, analyze, and fix problems that are affecting the performance of your computer.
You may try contacting Sun Microsystems, Inc., the developer of DEX_SPiGen3.EXE and ask for more information.