Joan I haven't used this PC since because I wanted to fix it first. FIrefox is new to this machine and nothing on my machines are ever a one time thing. As much as I want them to be. lol I was hoping to fix it before It got worse EMa Ema- And you were using Firefox before that with no trouble and have you tried it since? It may have been just a one-time thing. Let us know if it is repeatable. Joan In a message dated 11/11/2009 7:55:51 A.M. Eastern Standard Time, Ema609@aol.com writes: I got a BSOD when I ran Foxfire and the code which I dont have said that the Microsoft net 1.1 is not comparable so I was wondering if anybody else had this problem and what did they do thanks Ema