Tip T219 - Most new games and multi-media software run faster and better on Streaming SIMD (SSE/SSE2) CPUs. SSE is a powerful development of the original MMX technology; SSE2 is an even more powerful instruction set.
Fix: You need to upgrade to a SSE/SSE2 processor. If your main board supports such a processor you just need to upgrade the CPU. Otherwise you will need a new board also. Check with the manual.
For more information, please see the (FAQ).