Some anti-virus programs quarantine or block startup.exe because it tries to launch another executable (a behavior typical of malware).
file located in your game's installation folder rather than through a desktop shortcut or launcher Recommended Fixes Launch from Binaries Navigate to your game installation directory (usually C:\Program Files (x86)\Microsoft Games\Gears of War Right-click Startup.exe and select Run as Administrator Update Gaming Services (Xbox App Users) If you are playing a modern version (like Gears of War: Reloaded Ultimate Edition ), open the Gaming Services Repair Tool Start Repair Disable Fullscreen Optimizations Right-click Startup.exe folder and select Properties Compatibility tab, check Disable full-screen optimizations Install Necessary Patches to play gears of war please double-click startup.exe
If you are a fan of the original Gears of War PC release (the 2007 port of the Epic Games classic), you have likely encountered a perplexing and frustrating dialog box. You install the game, patch it, and just as you anticipate dropping into the iconic Emergence Day sequence, a small window appears with the message: Some anti-virus programs quarantine or block startup
The most common cause for this message is a digital signature that expired years ago. When the game launches, it checks this certificate; if it fails, it prompts you to use Startup.exe , creating an endless loop. When the game launches, it checks this certificate;