Windows · Free download · System

IC1.2.0.0

IC : Restrict the number of instances that a program is allowed to run on a multi-user environment with the help of this practical utility

Operating system
Windows 10/11
File size
38 KB
License
Freeware
Last updated
Apr 25, 2026

79 downloads·1049 page views

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Overview

What is IC?

IC : Restrict the number of instances that a program is allowed to run on a multi-user environment with the help of this practical utility

In depth

A closer look at IC

IC, an acronym for Instance Controller, is a lightweight piece of software that was designed to help you restrict multiple running instances of the same program, intended mainly for multi-user environments.

The appeal of standalone utilities

Portable in nature, the tool can be used immediately after decompressing the downloaded archive, by double-clicking the executable to launch it.As a result, IC can easily be stored and run from a removable memory drive and used on all compatible systems, without leaving any traces elsewhere than in its own folder.

Effortlessly limit applications from running in multiple instances

To get things started, you first need to specify the executable for which you want to restrict the number of running instances. You can load its full path, and then begin customizing its functioning parameters.As such, you can ‘Allow Only One Instance’ by checking the corresponding box, optionally being able to prompt for an override. At the same time, you can ‘View More Options’ and define a custom message to be displayed every time the indicated application is run.IC even enables you to launch programs using a preferred argument. Moreover, you can log each execution to a file on your computer. Once you apply the changes, an INI file is created on the same path, storing your configuration. The file can be edited, or you can delete it altogether and create a new one if it no longer suits your needs.

A standalone tool for controlling the amount of software running instances

While it may come with a rather thin documentation material and rely heavily on your prior experience and understanding in using such utilities, IC is a practical program that you can resort to for disallowing numerous instances of the same software from being run on multi-user servers, thus preventing issues from occurring.

Requirements

System requirements

Windows 10 64 bit / Windows 10 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7 / Windows Vista 64 bit / Windows Vista

Verdict

Should you download IC?

IC runs on Windows 10/11 and is available under the Freeware license — the installer is 38 KB. We’ve catalogued it under System.

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At a glance

IC specifications

Category
System
Publisher
Daniel Osborne
Last updated
Apr 25, 2026
Requirements
Windows 10 64 bit / Windows 10 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7 / Windows Vista 64 bit / Windows Vista
License
Freeware
Operating system
Windows 10/11
File size
38 KB
Price
Free
Page views
1049

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