In this video, you will learn how to fix the error "These files can't be opened. Your Internet security settings prevented one or more files from being opened" that appears while moving, opening, or installing certain files or programs in Windows 11, 10, 8, or 7. br br This common Windows error is caused by overly strict Internet security settings in Internet Explorer or Windows security settings, blocking legitimate files from launching. Don’t worry — this step-by-step guide will show you exactly how to resolve the issue quickly and easily, without needing any third-party software. br br 🔧 Fix includes: br br Adjusting Internet Options br br Resetting Internet Explorer Settings br br Modifying Group Policy (if needed) br br Changing Local Security Policy (if available) br br Fixing file unblock issues in Windows Properties br br 📌 Works on: br br Windows 11 br br Windows 10 br br Windows 8 8.