There are a lot of ways to remove files, and in particular programs, but removing files which are used by other programs could stop them working. Worse still, If the files deleted are required by Windows, then the whole computer could just stop.
Here are 3 more of our favourite Apps for the Android smart phone and tablet.
One of the things that frequently gets my back up is when I eagerly browse the latest electronic / computer catalogues to arrive in my letter box only to see external hard drives being advertised as back-up devices. Whether USB or Firewire, powered or self powered, an external drive is NOT A BACK-UP solution.