Delete the players folder inside Documents\Call of Duty Black Ops II to reset corrupted configs.
Let me know in the comments which fix worked for you! call of duty black ops 2 skidrow not starting
This content is for educational and troubleshooting purposes only. Scanning your PC for malware is strongly advised when using cracked executables. Fix: Call of Duty Black Ops 2 (Skidrow) Not Starting or Crashing on Launch So you downloaded the classic Black Ops 2 Skidrow release, installed it perfectly, but when you double-click the icon... nothing happens. No error. No black screen. Just a spinning cursor for a second, then silence. Delete the players folder inside Documents\Call of Duty