Windows 8 may now be available on the market, but many PC users are just now making the upgrade to Windows 7. Windows 7 offers many improvements for those users who have upgraded from Windows Vista or XP, but it is not without its faults. The most common of Windows 7 problems for many users is the fact that it can hang and becomes unresponsive causing much frustration. The hanging is known to happen on a random basis, sometimes during start up and sometimes during shutdown or when you are working in a program, and the mouse and keyboard also …