Process Priority Optimizer is a Process Priority Optimizer for NT/XP systems.

Main features
* Simple and easy to use
* Automatically shutdown unwanted applications/processes
* Automatically adjust applications execution priorities based on user preference
* Transparently boost performance
* Anti-LockUp: automatically withdraw CPU time from aggressive processes
* Uses only ~10MBs of memory
* English & Hungarian user interface

Requirements
* Windows NT/Windows XP
* psapi.dll

Limitations in the unregistered version
* Saving the settings is disabled

The license of this software is Free Trial Software, the price is $23.54, you can free download and get a free trial.