CS6 will not run. On opening I get app crash data

CS6 crashed whilst running a nix filter. On restarting, cs6 loads but the produces error message .....

Problem signature:

  Problem Event Name:          APPCRASH

  Application Name:          Photoshop.exe

  Application Version:          13.0.1.0

  Application Timestamp:          5022da9d

  Fault Module Name:          SelectivePalette.8li

  Fault Module Version:          2.1.4.20903

  Fault Module Timestamp:          50481403

  Exception Code:          c0000005

  Exception Offset:          000000000001301a

  OS Version:          6.1.7601.2.1.0.768.3

  Locale ID:          2057

  Additional Information 1:          b7b5

  Additional Information 2:          b7b5415a1c1717c0e9696cb87192c43d

  Additional Information 3:          8038

  Additional Information 4:          80385af0c8ca4a92bd3c40c75ad62ba5.

The same happens if I try to run CS5 instead. How do I resolve this?