Hi - while on the internet, I froze - tried ctrl/alt/del and showed explorer not responding. I closed my isp and then went to control panel to repair Internet explorer. Then I had some type of error and my system shut down. I restarted it and it came up in safe mode. My question is - what could have caused this and while in safe mode, what do I do next??? Not sure what to do in safe mode. Thanks in advance!!