Insufficient system resources exist to complete the requested service.

On Steam, after installing game and BattlEye the game begins to launch then errors out:

[Window Title]
C:\Program Files (x86)\Steam\steamapps\common\Marathon Server Slam\Marathon.exe

[Content]
C:\Program Files (x86)\Steam\steamapps\common\Marathon Server Slam\Marathon.exe

Insufficient system resources exist to complete the requested service.[OK]

No clarity on what is insufficient, OS, Steam, and game are all on the C: drive with nearly a 1TB of space.

No pending driver updates.

Repairing game files doesn't fix.

Complete re-install doesn't fix.

Uninstall and re-install of BattlEye as Admin doesn't fix.

Launching game as Admin doesn't fix.

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Battleye Launcher error:

17:35:03: Starting BattlEye Service...
17:35:05: Updating...
17:35:05: Launching game...
17:35:29: Note: File blocks can be ignored if they don't cause problems with the game.
17:35:29: [INFO] Blocked loading of file: "C:\Program Files (x86)\Steam\steamapps\common\Marathon Server Slam\Marathon.exe".
17:35:29: Failed to launch game.