Hi guys,
My PSP worked perfectly while it was still in OFW 6.35 with CFW 6.35 PRO-B. Due to the PSN thingy, I just updated the OFW to 6.60, and I am using the CFW 6.60 PRO-B9 to play the games. Recently, there was a few random shutting down while I was playing the games. Sometimes it works...