Hey all, so when I start my client, everything runs perfectly. But after 10-15 minutes of playing, all of a sudden the game starts to lag extremely bad whenever I move the mouse cursor. Leaving my mouse still makes the game run fine, it's literally only the mouse movement that causes this. Restarting my computer works just fine, however the same issue reappears after another 15 minutes or so of play.

Have tried to run idle tasks through command prompt, that didn't seem to help.
Antivirus is not updating and never given me an issue with more graphically/RAM dependent games before.
Drivers up to date.
ctrl+shift+esc shows me 6% CPU usage and 20% memory before wow is opened (I have 16GB RAM).

Any and all help is appreciated!

Just wanted to update:

I was flubbing around with settings, and after I disabled the "Hardware Cursor" option, the problem was fixed