When playing games, as soon as the QQ message pops up, my pictures will be stuck one by one.

It is normal. First of all, your CPU is calculating your game (at the same time, your system files, antivirus software and other synchronization software are running). When another program needs to be calculated, the instantaneous occupancy rate of CPU can reach the peak. At this time, the CPU will give half of the original calculation progress to the newly opened task item. If the game you play requires high configuration, the situation you described will appear.