Inventory wont work properly. (Problem with my computer?)

[Eleventy 49]

Title: Inventory wont work properly. (Problem with my computer?)

Version: 1_0_3

OS: Windows 7

Java Version: 7.25

Description of Problem:

Whenever I try to move something from my inventory to my hotbar, my mouse wont detect the item. I have to hold my mouse over the item and then it gets a bit glitchy. It works normally in regular minecraft, and on my other computer, but not on this one.

Error Messages:

N/A

Error Log:

[Chefsbrian]

Try upgrading to java 1.7.45.