Hi saurabh1993 ! Here is a link for a proper installation process for CF with windows 8. Could perhaps solve your probs. And that is a link where you can find how I have solved my CF and launcher probs after some "UPDATES" of my windows 7 and security-suite, which caused similar probs to me, as you described ( see post '3). Dunno, but all the "new" windows (after XP) start making probs - even with older microsoft-made software. Hope it helps PS :Martind - M8 -you did it again - just a moment fa…