Every modern disk has a internal monitoring function called SMART that keeps track on errors in that disk. There is a software package called smartmontools on Linux which can be used to query the SMART status of the disk to
Disable Automatic Window Arrangement (Aero Snap, Windows 7)
The window arrangement feature in Windows 7 (the one that maximises windows to full- or half-screen when you drag them to the screen's border) might appeal to many users, I however find it rather annoying than helpful. Therefore I will