Matlab用微积分的问题，maple如何解决?

matlab2007最简单的微积分例题，也出现问题，看样子是maple方面的，可是如何解决那？求助大家，以前有遇到的吗？谢谢！

syms t
>> diff(sin(t^2));
error_msg : socket 3228 listen failed (err=10013).

??? Maple initialization failed.


Error in ==> mapleinit at 52
maplemex(maplelib,0);

Error in ==> maple at 113
[result,status] = maplemex(statement);

Error in ==> sym.maple at 85
[result,status] = maple(statement);

Error in ==> sym.mpower at 17
B = maple(A,’^’,p);