Windows Won't Start After Downgrade
I installed a 3 months giveaway "bit defender total security 2013" in my "windows 7" N just few days back i upgraded my windows to "windows 8", everythng worked just fine But today only 2 days of my giveaway license were left, so I downgraded to "bitdefender internet security 2013" by inserting a key in "total 2013", it…