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Windows Vista/7 Mouse Options
Go to the Start > Control Panel > Mouse
Click on the Pointer Options tab
Ensure that Display Pointer Trails, Smart Move, and Acceleration in Games options are disabled (some of these options may not be displayed, depending upon which version of Windows you are using)
Exit the Mouse Properties window by clicking OK to save your changes
Windows Vista/7 Accessibility Options
Go to the Start > Control Panel > Ease of Access Center
Click on Make the keyboard easier to use
Ensure that Turn on StickyKeys, Turn on FilterKeys, and Turn on ToggleKeys options are disabled
Click on Set up Stickey Keys and Set up Filter Keys and uncheck the Turn on Sticky Keys when SHIFT is pressed five times and Turn on Filter Keys when SHIFT is pressed for 8 seconds options and click Apply
Exit the Ease of Access Center window by clicking OK to save your changes