If you discover a security vulnerability within this project, please DO NOT disclose it publicly through GitHub issues.

1. Contact us directly via email at [YOUR-EMAIL]
2. Provide detailed information about the vulnerability
3. Include steps to reproduce the issue
4. Allow reasonable time for investigation and fix before public disclosure

This application requires and requests administrator privileges for:

• Registry modifications
• System wallpaper changes
• Explorer process management

The application modifies the following registry keys:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop
HKEY_CURRENT_USER\Control Panel\Desktop

This application does not:

• Collect any personal information
• Send data over the internet
• Track user behavior
• Include telemetry or analytics
• Store credentials or sensitive data

The application creates/stores files only at:

• C:\Windows\Web\Wallpaper\School\default.jpg - Protected wallpaper
• %APPDATA%\Microsoft\Windows\Start Menu\Programs\Startup\WallpaperProtector.lnk - Auto-start shortcut (optional)

The application uses the following Windows APIs via P/Invoke:

• SystemParametersInfo - For wallpaper changes
• GetConsoleWindow / ShowWindow - For console window management

1. Verify the source - Download only from official repository
2. Scan with antivirus - Always scan executables before running
3. Review the code - Source code is available for inspection
4. Create system restore point - For safety

1. Run only as needed - Don't keep running if not required
2. Monitor behavior - Watch for any unexpected system changes
3. Use Unlock feature - Always use the built-in Unlock to reverse changes
4. Keep backups - Maintain regular system backups

• Run with administrator privileges only when necessary
• Use the Unlock feature before uninstalling
• Test in a virtual machine first
• Keep the original executable for safe removal

• Modify the registry manually while program is running
• Delete the protected wallpaper file directly
• Force-kill the process without using Unlock
• Install on systems without proper authorization

This application is designed to comply with:

• Windows Security Policies - Uses only documented Windows APIs
• User Account Control (UAC) - Properly requests elevation when needed
• GDPR - No personal data collection
• Corporate Policies - Reversible changes with user consent

To verify the integrity of the application:

1. Check digital signature (if signed)
2. Compare checksums with official releases
3. Review source code for any modifications
4. Test in isolated environment first

Security updates will be provided through:

• GitHub releases
• Repository announcements
• Direct communication for critical issues

For security concerns, reach out through:

• GitHub Issues (for non-sensitive topics)
• Email: [YOUR-EMAIL]
• Discussions: GitHub Discussions tab

Last Updated: February 2026 Version: 1.0.0