Mouse Lag

Mac Technical Support
So, I've been getting mouse lag for quite a long time. (9-10 months?) It hasn't bothered me until Pandaria hit, and now it's worse than ever. I'll move the mouse and it won't respond for like half a second and then just jolt across the screen. This also happens when I try to look around with right click. I checked my memory; still had 1 gig left of memory. This also happens when WoW is running and I'm just surfing the web. However, this does not happen with any other games I have such as Counter Strike: Source, Team Fortress 2, Runes of Magic, Runescape, etc. Here's all the stuff I think you guys need :D Thanks for any help :D

Software:

System Software Overview:

System Version: OS X 10.8.2 (12C54)
Kernel Version: Darwin 12.2.0
Time since boot: 9 minutes

Hardware:

Hardware Overview:

Model Name: MacBook Pro
Model Identifier: MacBookPro7,1
Processor Name: Intel Core 2 Duo
Processor Speed: 2.4 GHz
Number of Processors: 1
Total Number of Cores: 2
L2 Cache: 3 MB
Memory: 4 GB
Bus Speed: 1.07 GHz
Boot ROM Version: MBP71.0039.B0E
SMC Version (system): 1.62f6
Sudden Motion Sensor:
State: Enabled

Graphics/Displays:

NVIDIA GeForce 320M:

Chipset Model: NVIDIA GeForce 320M
Type: GPU
Bus: PCI
VRAM (Total): 256 MB
Vendor: NVIDIA (0x10de)
Device ID: 0x08a0
Revision ID: 0x00a2
ROM Revision: 3533
Displays:
Color LCD:
Display Type: LCD
Resolution: 1280 x 800
Pixel Depth: 32-Bit Color (ARGB8888)
Main Display: Yes
Mirror: Off
Online: Yes
Built-In: Yes

Other:

Input Source ID: com.apple.keylayout.US
Keyboard Layout: ANSI
Hello. I am having the exact same problem when using Warcraft. At times this issue makes the game unplayable. Please advise. Thank you.

My system:

MacBook Pro
Processor 2.5 GHz Intel Core i5
Memory 4 GB 1600 MHz DDR3
Graphics Intel HD Graphics 4000 1024 MB
Software OS X 10.9.5 (13F34)
Yep. Same problem here. Mouse freezes for a half second - no movement, no ability to click. Happens a few times per minute.
have you guys tried turning on the 'hardware cursor' option in the settings?

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