BLACK OPS
XEX CRC = D1F515F8
XEX Media ID: CFD2E6184386829EC2E59087-0AEB2159
SS CRC = B0A3DC84 (RawSS = 7BF41B60)
SS Media ID: CFD2E6184386829EC2E59087-0AEB2159
DMI CRC = 7D89D4CE
DMI Media ID: CFD2E6184386829EC2E59087-0AEB2159
HALO REACH
XEX CRC = 4BA83208
XEX Media ID: D5F8036CA497AFADC59687E1-566C10D3
SS CRC = 3BAB5BC5 (RawSS = 47A8F98A)
SS Media ID: D5F8036CA497AFADC59687E1-566C10D3
DMI CRC = 4ACEAC99
DMI Media ID: D5F8036CA497AFADC59687E1-566C10D3
MODERN WARFARE 2
XEX CRC = 1F46C35A
XEX Media ID: F66327164FA486B27A77BBBF-2C8C0267
SS CRC = F935F56E (RawSS = 61915C6D)
SS Media ID: F66327164FA486B27A77BBBF-2C8C0267
DMI CRC = 8C408B3B
DMI Media ID: F66327164FA486B27A77BBBF-2C8C0267
Rip your games, and use
http://www.afterdawn.com/software/cd_dvd/iso_tools/ppf-o-matic.cfm
you shouldn't have any problems with AC:B - check your discs.