Please Go to this URL, and Just create user account, then check the above issue!

For Example:
If I added “Item 1″,”Item 2″,”Item 3” to My Cart. So My Cart have 3 items. Now i am going to My Cart page, Now I removed “Item 2” from My Cart, and Update the quantity/comment for Item 1, then i Update(click update cart button) My Cart.

Now “Item 2” removed successfully but quantity/comment for “Item 1” doesn’t updated.

This is the case which also in My Wishlist page.

help me!