: Right-click prototype2.exe and select Properties .
The most common fix involves ensuring the game has permission to write data to your storage device.
: Go to your Steam library, right-click Prototype 2 , select Manage , then Browse local files .
: Under the Compatibility tab, check Run this program as an administrator .
: Press Win + R , type msconfig , and hit Enter.
: Click Change settings for all users at the bottom and ensure Run this program as an administrator is checked there as well. Click Apply and OK . 2. Limit CPU Core Usage (Modern PC Fix)
