: Add the Black Ops II installation folder as an exclusion in your antivirus settings to prevent future deletion.
Typical causes:
Black Ops 2 depends on older Steamworks components. Manually reinstalling them can fix API mismatches. black ops 2 cannot create steam-api.dll
If BO2 is in C:\Program Files (x86)\ , Windows is extra strict. Move it to another drive (D: or E:), or create a folder like C:\Games and move your Steam library there. Games outside of Program Files rarely have this permission issue. : Add the Black Ops II installation folder
If those don't work, proceed to the solutions below. black ops 2 cannot create steam-api.dll
(often written as steam_api.dll ) is a dynamic link library file provided by Valve for game developers. It acts as the bridge between Black Ops 2 and the Steam client. It handles: