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Fetch the complete documentation index at: https://mintlify.com/proteo5/Prevent-Screen-Saver/llms.txt

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Prevent Screen Saver is distributed as two packages — a traditional Windows installer and a portable ZIP archive. Both are self-contained Windows x64 binaries, meaning no .NET runtime or additional dependencies need to be installed on your machine beforehand. Choose the package that best fits your environment and preferences.

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System Requirements

  • Operating system: Windows x64
  • Runtime: None — both packages are self-contained
  • Administrator rights: Not required — the installer uses PrivilegesRequired=lowest and installs per-user without requesting elevation; the portable ZIP likewise never requires elevated permissions

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Download

Both packages are available from the latest GitHub release: Download from GitHub Releases →
PackageFileNotes
InstallerPreventScreenSaver-Setup-x64.exeRecommended for most users
Portable ZIPPreventScreenSaver-win-x64.zipNo installation required

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Installation Steps

The installer is built with Inno Setup and walks you through a standard Windows setup wizard. It creates Start Menu entries, handles clean uninstallation via Windows Add/Remove Programs, and can optionally launch the app immediately after setup completes.
1

Download the installer

Visit the latest release page and download PreventScreenSaver-Setup-x64.exe.
2

Run the setup wizard

Double-click PreventScreenSaver-Setup-x64.exe to launch the installer. No UAC elevation prompt is shown — the installer runs entirely under your current user account without requiring administrator rights.
3

Accept the license agreement

Read and accept the MIT License agreement on the license page, then click Next to continue.
4

Choose an install location

The default install directory resolves to a per-user location (for example, %LocalAppData%\Programs\Prevent Screen Saver) because the installer runs without administrator rights. You can change this to any folder you have write access to. Click Next when ready.
5

Optionally create a desktop shortcut

On the Select Additional Tasks page, check Create a desktop shortcut if you want a shortcut placed on your desktop. This option is unchecked by default. Click Next to proceed.
6

Complete the installation

Click Install to copy files and create Start Menu entries. Once the wizard finishes, you can check Launch Prevent Screen Saver to start the app immediately, then click Finish.
7

Confirm the tray icon appears

After launch, look for the Prevent Screen Saver icon in the Windows system tray (bottom-right corner of the taskbar). The app starts in the Idle state by default — left-click the icon to activate protection.

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Settings Storage

Regardless of which package you use, Prevent Screen Saver stores its settings in a JSON file at: 
%LocalAppData%\PreventScreenSaver\settings.json
This file is created automatically the first time the app saves a preference. It records your hotkey preset, last protection state, and other configuration values. You do not need to edit this file manually — all settings are configurable from the tray menu.
Single-instance enforcement: If Prevent Screen Saver is already running when you launch the executable a second time, the new instance detects the existing one and exits silently. No error dialog is shown. To interact with the running instance, use the existing tray icon.

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Uninstalling

Use the standard Windows uninstall flow:
  1. Open Settings → Apps (Windows 11) or Control Panel → Programs → Uninstall a program (Windows 10).
  2. Find Prevent Screen Saver in the list and click Uninstall.
  3. Follow the prompts to remove the application.
Uninstalling via Add/Remove Programs removes the application files and Start Menu entries but does not delete your settings file. If you want a complete removal, also delete the folder %LocalAppData%\PreventScreenSaver\ after uninstalling.

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