Posted January 31, 201213 yr I am unable to turn Windows Defender on. It is OFF and I cannot turn it back on. I received an error report, 0x800705b4, but cannot find what it refers to. I need antispyware in my Security Center, and discovered I had 2 antivirus programs, Microsoft Security Essentials, and Lavasoft AdAware, which I did not know was also an antivirus program. I uninstalled it, leaving only Windows Defender which I cannot turn back on (it had been OFF when I opened Security Center) and MSE. Please help, as I feel vulnerable now! Also, the Security Center is behaving peculiarly, when I click an arrow, the drop-down drops briefly, and returns quickly, repeating up and down! WIndows Vista, 2SP Internet Explorer 9, v9.0.4 Continue reading...
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