ISLC 1.0.4.6 is the current version in the official Wagnardsoft forum release thread. The portable file is approximately 672 KB with SHA-256 606DCB...DF50; the installer is approximately 1.15 MB with SHA-256 2E4163...D48D. Version 1.0.4.6 adds license information, third-party notices, a Show UI tray command and a more robust update check.
Download the latest ISLC version
Choose a publisher-hosted portable or installer build. The server returned both files successfully when checked on July 20, 2026.
The countdown ends at the current Wagnardsoft file; this site does not host an old-version archive.ISLC latest version 1.0.4.6 download facts
Version freshness is unusually important for ISLC because the publisher's main software article can still show 1.0.4.1 in its page title while its Download & Support link leads to a forum post maintained with newer files. The forum thread title and download links currently identify 1.0.4.6. For that reason, this site treats the release thread and publisher download host as the primary freshness evidence.
Both files reported a last-modified server timestamp of June 29, 2026. A server timestamp is not necessarily the formal public release date, so it is presented as file metadata rather than a claimed launch date. The verification date for this page is July 20, 2026.
Before installing, compare the ISLC latest version number, filename and checksum as one evidence set. A page that says latest without matching the publisher thread is not enough. The ISLC latest version should also be checked again when Wagnardsoft changes the forum title, download target or published hash.
The built-in update check can alert an existing installation, but it should not be the only freshness method. Version 1.0.4.6 improves update-check robustness; when that check is unavailable, return to the release thread and verify the ISLC latest version manually before replacing files.
| Build | Filename | Size | SHA-256 |
|---|---|---|---|
| Portable / self-extracting | ISLC v1.0.4.6.exe | 687,600 bytes | 606DCBA965AF417D97486B125723BBC5CCE92F830C7791DEF06B0C542A10DF50 |
| Installer | ISLC v1.0.4.6_setup.exe | 1,202,584 bytes | 2E41635E917F9A51D1E7B52B6FF6C688368F8F7B0AF21EA50DC9DE456666D48D |
A matching hash confirms that two files are identical; it does not independently prove that the ISLC latest version is appropriate or risk-free for your system.
What changed in ISLC 1.0.4.6?
The 1.0.4.6 changelog is focused on packaging, tray access and update reliability rather than a new memory-cleaning algorithm. License information and THIRD-PARTY-NOTICES.txt make distribution details easier to inspect. Show UI in the tray menu improves recovery of the main window for users who start minimized. The update-check robustness change reduces the chance that update discovery fails because of a fragile request path.
Users already running 1.0.4.5 gain these maintenance improvements. Because startup tasks and portable paths can be sensitive to location changes, extract or install the new build into a deliberate permanent location, then reopen the settings and confirm startup behavior. Do not assume that replacing a folder preserves every scheduled-task reference.
- Added license information.
- Added THIRD-PARTY-NOTICES.txt.
- Added Show UI to the system tray icon.
- Enhanced update-check robustness.
Important changes in earlier ISLC versions
The full release thread contains a long history going back to the first public builds. The entries below are the most relevant for current users because they affect Windows 11 timing, startup, efficiency, visible monitoring information and configuration storage.
Old changelog notes are useful for understanding why a setting exists, but they are not a reason to install an old executable. Use the current build unless the publisher specifically instructs you to test an earlier version for support.
| Version | Notable change | Why it matters |
|---|---|---|
| 1.0.4.5 | Added page-file usage and reorganized Monitor/Settings tabs | Improves visibility and separates controls |
| 1.0.4.4 | Fixed window centering when starting minimized | Relevant to startup and tray workflows |
| 1.0.4.2 | Displayed performance timer type and added manual purge hotkey | Useful for advanced diagnosis |
| 1.0.4.0 | Stopped using Performance Counters | Reduces relevance of some legacy counter fixes |
| 1.0.3.9 | Added dark theme support | Interface preference |
| 1.0.3.5 | Lower CPU use, JSON configuration and update notification | Important for background use and configuration |
| 1.0.2.9 | Added Windows 11 GlobalTimerResolutionRequests option | Windows 11 timer behavior |
| 1.0.2.8 | Fixed Windows 11 timer resolution and exclusion-list issues | Windows 11 compatibility |
How to update ISLC without losing track of settings
Before updating, capture the current thresholds, polling rate, timer choice and startup state. A screenshot or short text note is enough. Stop monitoring and exit the tray process so files are not in use. Verify the new download and place it in the intended location before recreating or confirming startup behavior.
Version 1.0.3.5 moved configuration to a JSON file. Do not blindly copy an old configuration into a much newer build without opening the current interface and checking every value. New versions can add options or reorganize controls. A clean review is faster than troubleshooting an inherited setting you no longer understand.
- 1
Record the current configuration
Save the threshold, polling, timer and startup values you intentionally use.
- 2
Exit ISLC
Stop monitoring and close the tray process before replacing or moving files.
- 3
Download and verify 1.0.4.6
Use the publisher host and compare the relevant SHA-256 value.
- 4
Install in a stable path
Complete extraction or setup before enabling automatic startup.
- 5
Review settings manually
Confirm memory readings, thresholds and timer state before starting monitoring.
Should you download an old ISLC version?
An old version may appear in a cached article, video description or third-party download directory. That does not make it the appropriate build today. Older files can lack Windows 11 fixes, efficiency improvements, current notices and update-check changes. They may also be distributed through a mirror whose package cannot be compared with the publisher's current hash.
This site does not maintain an old-version mirror. If Wagnardsoft support asks you to test a specific historical build, obtain it through a publisher-controlled source and document why it is required. Otherwise, start with 1.0.4.6 and troubleshoot the actual symptom.
Never install an older executable solely because a tutorial uses an older screenshot. Interface age and required software version are different questions.
ISLC version FAQ
What is the latest ISLC version?
The official Wagnardsoft support thread lists Intelligent Standby List Cleaner 1.0.4.6 and provides current portable and installer downloads.
Why does a Wagnardsoft page still say ISLC 1.0.4.1?
The main content article title is older, but its Download & Support link leads to the maintained forum thread where the title, changelog and files currently show 1.0.4.6.
Can I update from an old ISLC version?
Yes. Record your settings, exit the old process, verify the new file, install it in a stable path and review the configuration before restoring startup behavior.
Where can I download old ISLC versions?
This site does not mirror old builds. Use a publisher-controlled source only when Wagnardsoft support specifically requires a historical version.
Are the portable and installer versions different?
They package the same utility for different workflows. Portable uses a self-contained extraction approach, while installer provides a conventional Windows setup.
Version sources
Freshness and changelog claims on this page come from Wagnardsoft-controlled pages and file responses.
- Official ISLC 1.0.4.6 support thread — Current files, hashes and version history.
- Wagnardsoft ISLC content page — Publisher overview and the support-thread entry point.