This is the Software Publisher's description.
Process Lasso is NOT yet another task manager. It is a process priority optimization and system automation utility. Priority optimization, affinity optimization, core optimization, automated rules, automated power schemes, you name it and Process Lasso has it. Although most consider Lasso the ultimate process priority optimizer, it does so much more.
Process Lasso's most popular feature is the unique process optimization technology called ProBalance (Process Balance) that will improve your PC's responsiveness and stability through process priority optimization and/or CPU affinity adjustments. Windows, by design, allows programs to monopolize your CPU without sufficient restraint -- leading to hangs, micro-lags, and delays in your keystroke or mouse actions. ProBalance intelligently adjusts the priorities and/or CPU affinities of running programs, on-demand, as-needed so that badly behaved processes won't negatively impact the responsiveness of your PC.
In addition to ProBalance, there are countless features allowing the user to take full automated control of the processes on their PC. You can have a wide range operations performed, or settings applied, each time a process is run. Core optimization technologies allow you to choose on what CPUs/cores a process should run, as well as what their CPU priority class and I/O priority class should be. You can also disallow certain processes from running, log all processes run, and even set various other process rules. These rules, along with many others, include automatically restarting or terminating a process after it reaches some CPU or memory threshold. For license enforcement, you can limit the number of instances of a process that can be running. A gaming mode allows for easy process priority optimization for avid gamers.