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InstallerClean is a Windows disk cleanup utility that identifies unnecessary installer and patch files stored in the hidden Windows Installer cache. It scans MSI and MSP files to determine which are no longer required by installed applications. The application cross-checks Windows Installer records and Registry information to avoid removing files still needed for repairs, updates, or uninstallation. It detects orphaned installers and safely superseded patches. Scan results show recoverable disk space and explain why individual files qualify for removal. Users can move files to a backup directory or permanently delete them. Uncertain files are excluded from cleanup. Portable, installer, and command-line editions support individual computers and automated maintenance. InstallerClean supports Windows 10 and 11.
Features
- Automatic scanning of orphaned MSI installers and superseded MSP patch files
- Windows Installer API and Registry cross-checking for conservative cleanup decisions
- Detailed disk space recovery estimates with individual file inspection
- Safe file relocation to a user-selected backup directory before permanent deletion
- Command-line scanning and cleanup for scripts, scheduled tasks, and deployments
- Portable executable and installer editions for Windows 10 and Windows 11
Project Samples
