Shield Antivirus Pro v5.5.0 is the latest Windows edition of ShieldApps’ security suite, officially released in mid‑2025. This build brings improved real‑time protection stability, faster startup scanning, and enhanced ransomware detection accuracy—making it a reliable, lightweight antivirus solution for Windows users.
Shield Antivirus Pro: Lightweight Real‑Time Protection & Secure Cleanup Tools
- Active real‑time monitoring guards against viruses, malware, trojans, ransomware, spyware and rootkits
- Scheduled scans with auto‑update antivirus definitions—ideal for daily maintenance with minimal user interaction
- Includes secure file eraser, browsing history cleaner, boot manager, and quarantined item handling
- Clean install with no adware, no pop‑ups, and no registration requirement—delivers fast protection with minimal system load
- Optimized scanning engine reduces CPU usage during full and quick scans
Bug Fixes & Release Notes for 5.5.0
- Improved detection stability for ransomware and zero‑day threats
- Resolves minor UI glitches during scan result dialogs
For previous updates and version history—including 5.4.1 and earlier—visit the official ShieldApps download archives. This 5.5.0 release builds upon a trusted lineage of lightweight Windows protection.
Installation Guide & FAQs
Need help scheduling scans, enabling auto‑update, using secure file erase, or managing quarantined files? Visit our Installation Guide & Frequently Asked Questions, designed for Windows users.
Official Windows System Requirements
- OS: Windows XP (SP3), Vista (SP1), 7, 8.x, 10 or 11 — 64‑bit version required for Pro edition
- RAM: ≥ 1 GB (2 GB+ recommended for full system scans)
- Disk Space: ~28 MB installer; additional space for quarantined files and logs
Build Highlights
Software: Shield Antivirus Pro
Version: 5.5.0
Type: Official Windows Installer (Silent)
Status: Official & Tested
Size: ~14 MB installer
