DLL files can be injected with malware. Since they run with the same permissions as your game, a compromised DLL can grant an attacker access to your system.
Some games package the Oodle redistributables within a _Redist or CommonRedist folder inside the game directory. Look for an installer named OodleSetup.exe or similar to refresh the system links. A Critical Warning: Avoid DLL Download Sites oo2core9win64dll updated
Click the three dots (...) next to the game > Manage > Verify . DLL files can be injected with malware
The oo2core_9_win64.dll is an essential piece of tech for modern gaming performance. If it's missing, is the fastest and safest way to get the updated version. If the problem persists, check your antivirus "Quarantine" folder to see if the file was accidentally blocked. Look for an installer named OodleSetup