how to resolve "insufficient memory usage" in sql server 2000

I have one sql 2000 server in my environment and now getting an insufifcient memory problem.

Please help me how to resolve it.

Details:

SQL server :- 2000- SP4
OS:- win2k3 server- SP2
Total 3.25 GB RAM
Min- 0 MAx memory:- 2440
Awe is not enable


Message:-
Insufficient memory available..
Buffer Counts:  Commited=210944 Target=210944 Hashed=46979
Query Memory Manager:  Grants=1 Waiting=0 Maximum=24495 Available=21028
Procedure Cache:  TotalProcs=19 TotalPages=69 InUsePages=69
Dynamic Memory Manager:  Stolen=162013 OS Reserved=2568
Global Memory Objects:  Resource=15240 Locks=133
LazyWriter: warning, no free buffers found.
Buffer Distribution:  Stolen=163896 Free=0 Procedures=69