Posted February 10, 201213 yr I have done a scan using Microsoft Security Essentials and it detected TrojanDropper:Win32/Sirefef.B. It couldn't remove it though due to error code 0x80070005, saying access is denied. I also cannot turn on windows firewall or security centre. Syptoms include a blue screen flashing up and then my computer restarting, and redirecting and pop ups occuring when I use Internet Explorer. Please help me remove this thing! Continue reading...
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