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BE OPTIMAL - Real-Time CPU Optimization & Automation!

WARNING: The Portable Edition of Process Lasso is not supported. Our installers are clean, no bundles or crud. Consider simply using Lasso in the standard form.

Buy one, give one free!
Why Pro?

How FREE is the FREE Edition?

Don't know if you need the 32-bit or 64-bit build? Download the 32-bit build. It will let you know if you need the 64-bit build, and even download it for you.

Available in 11 languages: English, German, Japanese, Serbian, Portuguese/Brazilian, Russian, Italian, Finnish, Simplified Chinese, Traditional Chinese, Indonesian, and Dutch!

WARNING: Beware of pirated copies! Don't take the risk. Know what you are getting.

NO gimmick!


Try our graphical demo!

What is ProBalance? Also known as 'Process Balance', it is a way to dynamically adjust the priority of running processes so that badly behaved programs do not degrade system responsiveness. More info...

Example: Process Lasso's ProBalance improves system responsiveness (green) during a high load via process priority optimization.

What is the differences between the Free and Pro builds?

The ultimate automated process priority and multi-core optimization tool!

Buy one, GIVE one free!
Lasso Portable 32-bitLasso Portable 64-bit
Automate application settings, power profiles, and more - or just 'tame' unruly processes automatically with ProBalance! ProBalance can take any number of actions on unruly processes, including temporarily lowering their priorities, changing their CPU affinties, disabling CPU parking, lowering I/O priorities, etc...


  1. Extract archive to your removable media
  2. Open Process Lasso folder on removable media when ready to launch
  3. Double click "_Start-ProcessLasso.bat"

Process Priority and CPU Affinity Optimization
  • ProBalance
    Automatically temporarily lower the CPU priority class and/or I/O priority of monopolizing process(es)
    Automatically temporarily change CPU affinities of monopolizing process(es)
  • Hyper-Threaded core avoidance
  • More information and graphical CPU Eater demo at this page.
Process Settings Automation
  • Sticky (Persistent) CPU and I/O priorities
  • Sticky (Persistent) CPU affinities
  • Sticky (Persistent) memory priorities
  • Disallowed processes
  • Instance limits
  • Restart or terminate processes that consume too many CPU or memory resources
  • Restart selected processes if they terminate, crash, or are closed
Power Profile Automation
  • Energy Saver power saver and battery life extender
    Run at High Performance all the time, but drop back to Balanced when you go idle
    Run at Balanced all the time, but drop back to Power Saver when you go idle to save battery power
    Take your pick. Combined with Application Power Profiles, Process Classification, and more, Process lasso fully automates your Power needs!
  • Application Power Profiles - Switch power profiles each time given process(es) are running
  • Prevent Sleep option (list) sets processes that should prevent the PC and/or display from sleeping when they are running - or just use the GUI to temproarily keep your PC awake
Gaming / Multimedia
  • Gaming Mode to auto-optimize for game processes, when they are running
  • Multimedia Mode to auto-optimize for media processes, when they are running
  • Stand-alone core engine that can run as a system service
  • Ready for multiple users
  • Optional password protection on configuration
  • Minimal resource use and totally optional GUI that goes into a sleep-mode when minimized to the tray
  • Logging of all actions taken, or all started processes
  • Unattended / silent installation
  • Granular settings to disable features you do not want
  • Well tested on all supported platforms
  • Automated updates
  • So much more...

As an aside, in Windows Vista and Windows 7, adjustments of the process priority class also have an effect on the I/O and SuperFetch memory priorities for that process.

Once you install Process Lasso, it will just start working. More advanced users can tweak the configuration, but you needn't touch anything to have it instantly improve your system responsiveness and prevent stalls in high load situations.

Process Lasso is very useful and effective on even the latest high-end PCs. However, its ProBalance algorithm achieves maximum effect on PCs with relatively little CPU 'power', such as Netbooks, Tablets, and older desktops.

Process Lasso runs on all editions of Windows 2000, XP, 2003, 2008, Vista, and Windows 7.

NOTICE: This is a gimmick free web site! We only sell software that WORKS. We provide proof, but the best evidence is seeing for yourself. Use Process Lasso a while, try it out. Process Lasso consumes barely any system resources itself. It uses a stand-alone background core engine that needs as little as 1MB of RAM to run. We don't make a big splash, but do make a big difference!

Process Lasso is written in native C++, not .NET. The background core engine that manages processes is completely independent from the graphical user interface, allowing you to keep process rules applied with almost no overhead. With Process Lasso, load time is instant and resource consumption is minimal.

Graphical Interface Features

  • Basic task manager capabilities for convenience
  • Act on *multiple* processes at once
  • Show only active processes, or all processes
  • Displays per-process CPU history
  • Change process settings and rules
  • System tray icon with notifications
  • Extremely low resource use, and sleeps when minimized to tray

What is the Portable Edition?

Portable refers to running off of USB Thumbdrives or other external media without installation to the PC.

It is strongly recommended that you use the Process Lasso Standard Edition of Process Lasso instead of this Portable Edition. Process Lasso's installer does NOT make any big system changes, but it does make sure everything is 'right'.