Intelligent Standby List Cleaner (ISLC) , developed by Wagnardsoft, is a utility designed to fix stuttering in games caused by Windows' poor management of the "Standby List" (cached memory). version 1.0.2.8 is an older stable build, but the configuration principles remain consistent across most versions. Core Functionality
ISLC monitors your system's memory and automatically clears the standby list when it exceeds a certain threshold. This ensures that games have immediate access to free RAM without the OS having to "trim" the cache mid-game, which often causes frame drops or micro-stutters. Step-by-Step Setup Guide 1. Download and Installation Download the utility from the official Wagnardsoft website
The download is typically a self-extracting archive. Extract it to a permanent folder (e.g., C:\Tools\ISLC Right-click Intelligent standby list cleaner.exe and select Run as Administrator Wagnardsoft 2. Configuring Memory Thresholds These are the most critical settings to stop stutters: "The list size is at least" : Set this to
. This tells ISLC to start watching the standby list once it reaches 1 GB. "Free memory is lower than" : A common rule of thumb is to set this to half of your total RAM If you have 16 GB (16384 MB) of RAM, set this to If you have 32 GB, set it to 3. Precision Timer Settings
ISLC also includes a tool to increase your system's "Timer Resolution," which can improve input latency: Wanted timer resolution : Set this to Enable Custom Timer Resolution : Check this box. ISLC Service Poll Rate islc 1.0.2.8
: This is how often the app checks your RAM. The default (500ms or 1000ms) is usually fine. 4. Automation Settings
To ensure the fix is always active without manual intervention: Steam Community "Start ISLC minimized" "Launch ISLC on user logon" "Start monitoring" How to Use It While Gaming button in the bottom left of the ISLC window. The status indicators will change from "Stopped" to "Monitoring" Minimize the application to your system tray. Do not close it , or the standby list will stop being cleaned.
Launch your game. You can check back later to see the "Standby list cleaned" counter to see how many times it triggered during your session. Steam Community When Should You Use ISLC? You should consider using this tool if: You experience stutters in open-world games (like Battlefield The Witcher Monster Hunter Wilds You have 16 GB of RAM or less.
Your "Standby" memory in Windows Task Manager frequently fills up your entire available RAM bar. Steam Community for your specific RAM capacity? Intelligent Standby List Cleaner (ISLC) , developed by
Solution for Memory Leak - Monster Hunter Wilds - Steam Community
In the world of PC gaming and high-performance computing, every millisecond counts. While most users focus on upgrading their GPU, CPU, or RAM, a silent bottleneck often lurks within the Windows operating system itself: the Standby Memory List.
Enter ISLC (Intelligent Standby List Cleaner), a lightweight but powerful utility designed to combat stuttering and input lag. This article provides a comprehensive, technical deep dive into the specific version 1.0.2.8—why it matters, how it works, and how to configure it for optimal performance.
Click "Start". ISLC will turn green. Let it run minimized while gaming. You can monitor the "Current Standby List" and "Current Free Memory" counters in real-time. List Size: By default, this might be set to a high number
Before focusing on the specific version 1.0.2.8, it is crucial to understand the problem ISLC solves.
Windows manages memory (RAM) using several states: In Use, Modified, Standby, and Free. The Standby List (or Standby Memory) caches data that was previously used in case the application needs it again quickly. This is usually helpful. However, in gaming, this logic backfires.
When a game requests new memory allocation, Windows would rather purge the Standby List than shrink its own cache. But it doesn't do this instantly. As the Standby List fills up, the system suffers from memory starvation, forcing the game to stutter or freeze while the OS frantically clears space.
ISLC automates the process of cleaning this Standby List, but with intelligence—it only triggers when available memory drops below a user-defined threshold. Version 1.0.2.8 represents a mature, stable iteration of this tool, refined over years of community feedback.
Right-click ISLC.exe → Run as Administrator. The utility requires elevated privileges to clear the Standby List.