Mars Rover Curiosity in Safe Mode After Computer Glitch | Space.com. Apparently, even NASA space scientists get computer glitches. Whether caused by random radioactive particles or an alien playing kick the can, Curiosity stopped sending data yesterday, and went into safe mode. Windows Vista users can identify. When a Windows computer goes into "safe" mode, you know you are anything but safe. NASA scientists are Boy Scout prepared, however, and they immediately rolled over to Computer B while they resolve the problem with Computer A. Earth users of Vista had the option of upgrading to Windows 7 or 8. Mars is a bit far for an upgrade on site. In any event, I have a message for the alien kid who is abusing our spacecraft. Don't make me come out there.