please help wont let me launch Attack of the B-Team

[Muzaya19]

whenever i try to launch attack of the be team it says " error installing the following pack: Attack of the B-team  an error occurred while attempting to delete Codechickenlib-universal-1.6.4-1.0.0.62.jar from the cache 

 

 

Edited August 18, 2014 by Muzaya19

[Kalbintion]

Issues belong on the tracker. Link in signature or at top of page.