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Single CPU loader is a very small and portable application that enables users to run any program using a single CPU core. It comes in handy for older applications (such as video games) that cannot be run on newer and faster computer systems.

Since installation is not a prerequisite, the executable file can be dropped anywhere on the hard drive, pen drive or similar storage unit, in order to run it directly and on any machine. Administrative privileges are required to prevent the app from popping up errors when trying to start programs.

What's worth mentioning is that Single CPU loader does not add new keys to the Windows registry, thus it doesn't increase the chance of system failure. It does not create new entries in the Start menu either, nor create additional files on the HDD, leaving it clean after removal.

Single CPU loader is wrapped in a user-friendly interface, based on a single window and few buttons. By using the file browser you can locate and select an app for startup. Note that only EXE files are supported.

From this point on, you can use the program in question normally, as long as Single CPU loader runs at the same time (it can be minimized to the taskbar but not to the system tray, unfortunately). A graph is shown in the main panel while an app is running, but you can turn it off from the "File" menu.

Single CPU loader uses low RAM and moderate-to-high CPU. It has a good response time and works well, without causing the OS to hang, crash or pop up error dialogs. Applications that you run with its help might take a longer time than usual to start up, which is normal.

Single CPU loader offers a simple solution for older apps that cannot be run on newer systems due to performance issues, by assigning just one CPU core to them.